diff --git a/third_party/libopenjpeg20/0003-dwt-decode.patch b/third_party/libopenjpeg20/0003-dwt-decode.patch
index 94d4b41..99c7a8c 100644
--- a/third_party/libopenjpeg20/0003-dwt-decode.patch
+++ b/third_party/libopenjpeg20/0003-dwt-decode.patch
@@ -1,5 +1,5 @@
 diff --git a/third_party/libopenjpeg20/dwt.c b/third_party/libopenjpeg20/dwt.c
-index 5930d1c71..6512b1e4c 100644
+index 4164ba090..a36b7ed10 100644
 --- a/third_party/libopenjpeg20/dwt.c
 +++ b/third_party/libopenjpeg20/dwt.c
 @@ -63,9 +63,6 @@
@@ -20,25 +20,7 @@
      OPJ_INT32 dn;   /* number of elements in high pass band */
      OPJ_INT32 sn;   /* number of elements in low pass band */
      OPJ_INT32 cas;  /* 0 = start on even coord, 1 = start on odd coord */
-@@ -133,13 +131,13 @@ static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn,
- /**
- Forward 5-3 wavelet transform in 1-D
- */
--static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
--                             OPJ_INT32 cas);
-+static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_SIZE_T a_count, OPJ_INT32 dn,
-+    OPJ_INT32 sn, OPJ_INT32 cas);
- /**
- Forward 9-7 wavelet transform in 1-D
- */
--static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
--                                  OPJ_INT32 cas);
-+static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_SIZE_T a_count,
-+    OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
- /**
- Explicit calculation of the Quantization Stepsizes
- */
-@@ -149,14 +147,14 @@ static void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps,
+@@ -140,7 +138,7 @@ static void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps,
  Inverse wavelet transform in 2-D.
  */
  static OPJ_BOOL opj_dwt_decode_tile(opj_thread_pool_t* tp,
@@ -47,16 +29,7 @@
  
  static OPJ_BOOL opj_dwt_decode_partial_tile(
      opj_tcd_tilecomp_t* tilec,
-     OPJ_UINT32 numres);
- 
--static OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,
--        void (*p_function)(OPJ_INT32 *, OPJ_INT32, OPJ_INT32, OPJ_INT32));
-+static OPJ_BOOL opj_dwt_encode_procedure(const opj_tcd_tilecomp_t * tilec,
-+        void(*p_function)(OPJ_INT32 *, OPJ_SIZE_T, OPJ_INT32, OPJ_INT32, OPJ_INT32));
- 
- static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* OPJ_RESTRICT r,
-         OPJ_UINT32 i);
-@@ -205,13 +203,20 @@ static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w,
+@@ -181,13 +179,20 @@ static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* OPJ_RESTRICT r,
  
  /*@}*/
  
@@ -83,18 +56,7 @@
  
  /* <summary>                                                              */
  /* This table contains the norms of the 5-3 wavelets for different bands. */
-@@ -344,8 +349,8 @@ static void opj_dwt_interleave_v(const opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x)
- /* <summary>                            */
- /* Forward 5-3 wavelet transform in 1-D. */
- /* </summary>                           */
--static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
--                             OPJ_INT32 cas)
-+static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_SIZE_T a_count, OPJ_INT32 dn,
-+                             OPJ_INT32 sn, OPJ_INT32 cas)
- {
-     OPJ_INT32 i;
- 
-@@ -376,8 +381,8 @@ static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
+@@ -296,8 +301,8 @@ static void opj_dwt_interleave_v(const opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x)
  /* <summary>                            */
  /* Inverse 5-3 wavelet transform in 1-D. */
  /* </summary>                           */
@@ -105,7 +67,7 @@
  {
      OPJ_INT32 i;
  
-@@ -406,7 +411,7 @@ static void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
+@@ -326,7 +331,7 @@ static void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
  
  static void opj_dwt_decode_1(const opj_dwt_t *v)
  {
@@ -114,72 +76,7 @@
  }
  
  #endif /* STANDARD_SLOW_VERSION */
-@@ -1037,8 +1042,8 @@ static void opj_idwt53_v(const opj_dwt_t *dwt,
- /* <summary>                             */
- /* Forward 9-7 wavelet transform in 1-D. */
- /* </summary>                            */
--static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
--                                  OPJ_INT32 cas)
-+static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_SIZE_T a_count,
-+                                  OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas)
- {
-     OPJ_INT32 i;
-     if (!cas) {
-@@ -1106,8 +1111,8 @@ static void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps,
- /* <summary>                            */
- /* Forward 5-3 wavelet transform in 2-D. */
- /* </summary>                           */
--static INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,
--        void (*p_function)(OPJ_INT32 *, OPJ_INT32, OPJ_INT32, OPJ_INT32))
-+static INLINE OPJ_BOOL opj_dwt_encode_procedure(const opj_tcd_tilecomp_t * tilec,
-+        void(*p_function)(OPJ_INT32 *, OPJ_SIZE_T, OPJ_INT32, OPJ_INT32, OPJ_INT32))
- {
-     OPJ_INT32 i, j, k;
-     OPJ_INT32 *a = 00;
-@@ -1117,6 +1122,7 @@ static INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,
- 
-     OPJ_INT32 rw;           /* width of the resolution level computed   */
-     OPJ_INT32 rh;           /* height of the resolution level computed  */
-+    OPJ_SIZE_T l_data_count;
-     OPJ_SIZE_T l_data_size;
- 
-     opj_tcd_resolution_t * l_cur_res = 0;
-@@ -1129,13 +1135,13 @@ static INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,
-     l_cur_res = tilec->resolutions + l;
-     l_last_res = l_cur_res - 1;
- 
--    l_data_size = opj_dwt_max_resolution(tilec->resolutions, tilec->numresolutions);
-+    l_data_count = opj_dwt_max_resolution(tilec->resolutions, tilec->numresolutions);
-     /* overflow check */
--    if (l_data_size > (SIZE_MAX / sizeof(OPJ_INT32))) {
-+    if (l_data_count > (SIZE_MAX / sizeof(OPJ_INT32))) {
-         /* FIXME event manager error callback */
-         return OPJ_FALSE;
-     }
--    l_data_size *= sizeof(OPJ_INT32);
-+    l_data_size = l_data_count * sizeof(OPJ_INT32);
-     bj = (OPJ_INT32*)opj_malloc(l_data_size);
-     /* l_data_size is equal to 0 when numresolutions == 1 but bj is not used */
-     /* in that case, so do not error out */
-@@ -1167,7 +1173,7 @@ static INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,
-                 bj[k] = aj[k * w];
-             }
- 
--            (*p_function)(bj, dn, sn, cas_col);
-+            (*p_function) (bj, l_data_count, dn, sn, cas_col);
- 
-             opj_dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
-         }
-@@ -1180,7 +1186,7 @@ static INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,
-             for (k = 0; k < rw; k++) {
-                 bj[k] = aj[k];
-             }
--            (*p_function)(bj, dn, sn, cas_row);
-+            (*p_function) (bj, l_data_count, dn, sn, cas_row);
-             opj_dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
-         }
- 
-@@ -1379,7 +1385,7 @@ static void opj_dwt_decode_v_func(void* user_data, opj_tls_t* tls)
+@@ -2062,7 +2067,7 @@ static void opj_dwt_decode_v_func(void* user_data, opj_tls_t* tls)
  /* Inverse wavelet transform in 2-D.    */
  /* </summary>                           */
  static OPJ_BOOL opj_dwt_decode_tile(opj_thread_pool_t* tp,
@@ -188,7 +85,7 @@
  {
      opj_dwt_t h;
      opj_dwt_t v;
-@@ -1401,22 +1407,23 @@ static OPJ_BOOL opj_dwt_decode_tile(opj_thread_pool_t* tp,
+@@ -2084,22 +2089,23 @@ static OPJ_BOOL opj_dwt_decode_tile(opj_thread_pool_t* tp,
          return OPJ_TRUE;
      }
      num_threads = opj_thread_pool_get_thread_count(tp);
@@ -215,7 +112,7 @@
      v.mem = h.mem;
  
      while (--numres) {
-@@ -1594,7 +1601,8 @@ static void opj_dwt_interleave_partial_v(OPJ_INT32 *dest,
+@@ -2277,7 +2283,8 @@ static void opj_dwt_interleave_partial_v(OPJ_INT32 *dest,
      OPJ_UNUSED(ret);
  }
  
@@ -225,7 +122,7 @@
                                       OPJ_INT32 cas,
                                       OPJ_INT32 win_l_x0,
                                       OPJ_INT32 win_l_x1,
-@@ -1974,16 +1982,16 @@ static OPJ_BOOL opj_dwt_decode_partial_tile(
+@@ -2657,16 +2664,16 @@ static OPJ_BOOL opj_dwt_decode_partial_tile(
          opj_sparse_array_int32_free(sa);
          return OPJ_TRUE;
      }
@@ -245,7 +142,7 @@
      h.mem = (OPJ_INT32*)opj_aligned_32_malloc(h_mem_size);
      if (! h.mem) {
          /* FIXME event manager error callback */
-@@ -1991,6 +1999,7 @@ static OPJ_BOOL opj_dwt_decode_partial_tile(
+@@ -2674,6 +2681,7 @@ static OPJ_BOOL opj_dwt_decode_partial_tile(
          return OPJ_FALSE;
      }
  
@@ -253,7 +150,7 @@
      v.mem = h.mem;
  
      for (resno = 1; resno < numres; resno ++) {
-@@ -2101,7 +2110,7 @@ static OPJ_BOOL opj_dwt_decode_partial_tile(
+@@ -2784,7 +2792,7 @@ static OPJ_BOOL opj_dwt_decode_partial_tile(
                                               win_ll_x1,
                                               win_hl_x0,
                                               win_hl_x1);
diff --git a/third_party/libopenjpeg20/0005-jp2_apply_pclr.patch b/third_party/libopenjpeg20/0005-jp2_apply_pclr.patch
index 2d45017..cbc5a8f 100644
--- a/third_party/libopenjpeg20/0005-jp2_apply_pclr.patch
+++ b/third_party/libopenjpeg20/0005-jp2_apply_pclr.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/jp2.c b/third_party/libopenjpeg20/jp2.c
-index 8dc1ecbe6..61b3f5821 100644
+index 7c065ba74..a5790b267 100644
 --- a/third_party/libopenjpeg20/jp2.c
 +++ b/third_party/libopenjpeg20/jp2.c
-@@ -1073,8 +1073,8 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
+@@ -1079,8 +1079,8 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
              assert(pcol == 0);
              new_comps[i] = old_comps[cmp];
          } else {
@@ -13,7 +13,7 @@
          }
  
          /* Palette mapping: */
-@@ -1102,7 +1102,7 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
+@@ -1108,7 +1108,7 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
          pcol = cmap[i].pcol;
          src = old_comps[cmp].data;
          assert(src); /* verified above */
@@ -22,7 +22,7 @@
  
          /* Direct use: */
          if (cmap[i].mtyp == 0) {
-@@ -1112,8 +1112,8 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
+@@ -1118,8 +1118,8 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
                  dst[j] = src[j];
              }
          } else {
diff --git a/third_party/libopenjpeg20/0006-tcd_init_tile.patch b/third_party/libopenjpeg20/0006-tcd_init_tile.patch
index 8c37fc2..409fe7b 100644
--- a/third_party/libopenjpeg20/0006-tcd_init_tile.patch
+++ b/third_party/libopenjpeg20/0006-tcd_init_tile.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c
-index 1dd15405d..acc28dd55 100644
+index 6442669d6..4c728d4c6 100644
 --- a/third_party/libopenjpeg20/tcd.c
 +++ b/third_party/libopenjpeg20/tcd.c
-@@ -818,6 +818,11 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
+@@ -819,6 +819,11 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
          if (isEncoder) {
              OPJ_SIZE_T l_tile_data_size;
  
diff --git a/third_party/libopenjpeg20/0007-jp2_read_cmap.patch b/third_party/libopenjpeg20/0007-jp2_read_cmap.patch
index 4cc4340..781f2c6 100644
--- a/third_party/libopenjpeg20/0007-jp2_read_cmap.patch
+++ b/third_party/libopenjpeg20/0007-jp2_read_cmap.patch
@@ -1,13 +1,13 @@
 diff --git a/third_party/libopenjpeg20/jp2.c b/third_party/libopenjpeg20/jp2.c
-index 3ace09654..7ef7c9139 100644
+index a5790b267..a0f639d8e 100644
 --- a/third_party/libopenjpeg20/jp2.c
 +++ b/third_party/libopenjpeg20/jp2.c
-@@ -1296,7 +1296,7 @@ static OPJ_BOOL opj_jp2_read_cmap(opj_jp2_t * jp2,
+@@ -1308,7 +1308,7 @@ static OPJ_BOOL opj_jp2_read_cmap(opj_jp2_t * jp2,
  
  
      for (i = 0; i < nr_channels; ++i) {
 -        opj_read_bytes(p_cmap_header_data, &l_value, 2);            /* CMP^i */
-+        opj_read_bytes_BE(p_cmap_header_data, &l_value, 2);     /* CMP^i */
++        opj_read_bytes_BE(p_cmap_header_data, &l_value, 2);         /* CMP^i */
          p_cmap_header_data += 2;
          cmap[i].cmp = (OPJ_UINT16) l_value;
  
diff --git a/third_party/libopenjpeg20/0009-opj_pi_next.patch b/third_party/libopenjpeg20/0009-opj_pi_next.patch
index 99f17d3..ed0332f 100644
--- a/third_party/libopenjpeg20/0009-opj_pi_next.patch
+++ b/third_party/libopenjpeg20/0009-opj_pi_next.patch
@@ -1,31 +1,31 @@
 diff --git a/third_party/libopenjpeg20/pi.c b/third_party/libopenjpeg20/pi.c
-index 91642ee4e..256fe37a1 100644
+index 4f7dd50f1..1430d12a9 100644
 --- a/third_party/libopenjpeg20/pi.c
 +++ b/third_party/libopenjpeg20/pi.c
-@@ -445,6 +445,9 @@ static OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi)
-                                                 (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
-                            - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
-                     pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
+@@ -464,6 +464,9 @@ static OPJ_BOOL opj_pi_next_rpcl(opj_pi_iterator_t * pi)
+                                                  (comp->dy << levelno)), res->pdy)
+                            - opj_uint_floordivpow2(try0, res->pdy);
+                     pi->precno = prci + prcj * res->pw;
 +                    if (pi->precno >= res->pw * res->ph) {
 +                      return OPJ_FALSE;
 +                    }
                      for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
                          index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
                                  pi->step_c + pi->precno * pi->step_p;
-@@ -576,6 +579,9 @@ static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi)
-                                                 (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
-                            - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
-                     pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
+@@ -602,6 +605,9 @@ static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi)
+                                                  (comp->dy << levelno)), res->pdy)
+                            - opj_uint_floordivpow2(try0, res->pdy);
+                     pi->precno = prci + prcj * res->pw;
 +                    if (pi->precno >= res->pw * res->ph) {
 +                      return OPJ_FALSE;
 +                    }
                      for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
                          index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
                                  pi->step_c + pi->precno * pi->step_p;
-@@ -704,6 +710,9 @@ static OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi)
-                                                 (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
-                            - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
-                     pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
+@@ -737,6 +743,9 @@ static OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi)
+                                                  (comp->dy << levelno)), res->pdy)
+                            - opj_uint_floordivpow2(try0, res->pdy);
+                     pi->precno = (OPJ_UINT32)(prci + prcj * res->pw);
 +                    if (pi->precno >= res->pw * res->ph) {
 +                      return OPJ_FALSE;
 +                    }
diff --git a/third_party/libopenjpeg20/0011-j2k_update_image_data.patch b/third_party/libopenjpeg20/0011-j2k_update_image_data.patch
index b61324a..1402129 100644
--- a/third_party/libopenjpeg20/0011-j2k_update_image_data.patch
+++ b/third_party/libopenjpeg20/0011-j2k_update_image_data.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c
-index ad6e1b86f..bf1cb4f36 100644
+index 8e343ab2e..5e1494394 100644
 --- a/third_party/libopenjpeg20/j2k.c
 +++ b/third_party/libopenjpeg20/j2k.c
-@@ -9086,6 +9086,12 @@ static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
+@@ -9882,6 +9882,12 @@ static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
           * */
          assert(res_x0 >= 0);
          assert(res_x1 >= 0);
diff --git a/third_party/libopenjpeg20/0012-mct_sse.patch b/third_party/libopenjpeg20/0012-mct_sse.patch
index 9bc2e6f..812ff01 100644
--- a/third_party/libopenjpeg20/0012-mct_sse.patch
+++ b/third_party/libopenjpeg20/0012-mct_sse.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/mct.c b/third_party/libopenjpeg20/mct.c
-index b79d4b87c..81ec223d8 100644
+index 88c8f4092..c4c2e732e 100644
 --- a/third_party/libopenjpeg20/mct.c
 +++ b/third_party/libopenjpeg20/mct.c
-@@ -37,13 +37,16 @@
+@@ -37,13 +37,15 @@
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
@@ -18,11 +18,10 @@
  #endif
 -#ifdef __SSE4_1__
 +#if defined(__SSE4_1__) && !defined(_M_IX86) && !defined(__i386)
-+#define USE_SSE4
  #include <smmintrin.h>
  #endif
  
-@@ -72,7 +75,7 @@ const OPJ_FLOAT64 * opj_mct_get_mct_norms_real()
+@@ -72,7 +74,7 @@ const OPJ_FLOAT64 * opj_mct_get_mct_norms_real()
  /* <summary> */
  /* Forward reversible MCT. */
  /* </summary> */
@@ -31,7 +30,7 @@
  void opj_mct_encode(
      OPJ_INT32* OPJ_RESTRICT c0,
      OPJ_INT32* OPJ_RESTRICT c1,
-@@ -141,7 +144,7 @@ void opj_mct_encode(
+@@ -141,7 +143,7 @@ void opj_mct_encode(
  /* <summary> */
  /* Inverse reversible MCT. */
  /* </summary> */
@@ -40,19 +39,19 @@
  void opj_mct_decode(
      OPJ_INT32* OPJ_RESTRICT c0,
      OPJ_INT32* OPJ_RESTRICT c1,
-@@ -209,7 +212,7 @@ OPJ_FLOAT64 opj_mct_getnorm(OPJ_UINT32 compno)
- /* <summary> */
- /* Forward irreversible MCT. */
- /* </summary> */
--#ifdef __SSE4_1__
-+#ifdef USE_SSE4
- void opj_mct_encode_real(
-     OPJ_INT32* OPJ_RESTRICT c0,
-     OPJ_INT32* OPJ_RESTRICT c1,
-@@ -389,7 +392,7 @@ void opj_mct_decode_real(
+@@ -216,7 +218,7 @@ void opj_mct_encode_real(
      OPJ_SIZE_T n)
  {
-     OPJ_UINT32 i;
+     OPJ_SIZE_T i;
+-#ifdef __SSE__
++#ifdef USE_SSE
+     const __m128 YR = _mm_set1_ps(0.299f);
+     const __m128 YG = _mm_set1_ps(0.587f);
+     const __m128 YB = _mm_set1_ps(0.114f);
+@@ -286,7 +288,7 @@ void opj_mct_decode_real(
+     OPJ_SIZE_T n)
+ {
+     OPJ_SIZE_T i;
 -#ifdef __SSE__
 +#ifdef USE_SSE
      __m128 vrv, vgu, vgv, vbu;
diff --git a/third_party/libopenjpeg20/0014-opj_jp2_read_ihdr_leak.patch b/third_party/libopenjpeg20/0014-opj_jp2_read_ihdr_leak.patch
index 0ae0cfc..ab0da52 100644
--- a/third_party/libopenjpeg20/0014-opj_jp2_read_ihdr_leak.patch
+++ b/third_party/libopenjpeg20/0014-opj_jp2_read_ihdr_leak.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/jp2.c b/third_party/libopenjpeg20/jp2.c
-index 7ef7c9139..1fa607d66 100644
+index a0f639d8e..38715b80f 100644
 --- a/third_party/libopenjpeg20/jp2.c
 +++ b/third_party/libopenjpeg20/jp2.c
-@@ -593,6 +593,7 @@ static OPJ_BOOL opj_jp2_read_ihdr(opj_jp2_t *jp2,
+@@ -599,6 +599,7 @@ static OPJ_BOOL opj_jp2_read_ihdr(opj_jp2_t *jp2,
      }
  
      /* allocate memory for components */
@@ -10,7 +10,7 @@
      jp2->comps = (opj_jp2_comps_t*) opj_calloc(jp2->numcomps,
                   sizeof(opj_jp2_comps_t));
      if (jp2->comps == 0) {
-@@ -1882,6 +1883,7 @@ void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters)
+@@ -1897,6 +1898,7 @@ void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters)
  
      /* further JP2 initializations go here */
      jp2->color.jp2_has_colr = 0;
diff --git a/third_party/libopenjpeg20/0015-read_SPCod_SPCoc_overflow.patch b/third_party/libopenjpeg20/0015-read_SPCod_SPCoc_overflow.patch
index 760ed74..11e22fb 100644
--- a/third_party/libopenjpeg20/0015-read_SPCod_SPCoc_overflow.patch
+++ b/third_party/libopenjpeg20/0015-read_SPCod_SPCoc_overflow.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c
-index 8e35b33ee..d95963a5c 100644
+index 5e1494394..413dbdd9f 100644
 --- a/third_party/libopenjpeg20/j2k.c
 +++ b/third_party/libopenjpeg20/j2k.c
-@@ -9527,6 +9527,10 @@ static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
+@@ -10537,6 +10537,10 @@ static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
              p_j2k->m_specific_param.m_decoder.m_default_tcp;
  
      /* precondition again */
diff --git a/third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch b/third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch
index d7e06ea..7a63b9b 100644
--- a/third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch
+++ b/third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c
-index d95963a5c..ed449684f 100644
+index 413dbdd9f..1932fe20c 100644
 --- a/third_party/libopenjpeg20/j2k.c
 +++ b/third_party/libopenjpeg20/j2k.c
-@@ -9864,7 +9864,9 @@ static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
+@@ -10885,7 +10885,9 @@ static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
              p_j2k->m_specific_param.m_decoder.m_default_tcp;
  
      /* precondition again*/
diff --git a/third_party/libopenjpeg20/0019-tcd_init_tile.patch b/third_party/libopenjpeg20/0019-tcd_init_tile.patch
index 8746eac..bf16596 100644
--- a/third_party/libopenjpeg20/0019-tcd_init_tile.patch
+++ b/third_party/libopenjpeg20/0019-tcd_init_tile.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c
-index be3b84363..5757fd401 100644
+index 4c728d4c6..b9f571410 100644
 --- a/third_party/libopenjpeg20/tcd.c
 +++ b/third_party/libopenjpeg20/tcd.c
-@@ -1065,6 +1065,9 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
+@@ -1094,6 +1094,9 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
                      l_current_precinct->ch = (OPJ_UINT32)((brcblkyend - tlcblkystart) >>
                                                            cblkheightexpn);
  
diff --git a/third_party/libopenjpeg20/0022-jp2_apply_pclr_overflow.patch b/third_party/libopenjpeg20/0022-jp2_apply_pclr_overflow.patch
index c1773d4..1546b95 100644
--- a/third_party/libopenjpeg20/0022-jp2_apply_pclr_overflow.patch
+++ b/third_party/libopenjpeg20/0022-jp2_apply_pclr_overflow.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/jp2.c b/third_party/libopenjpeg20/jp2.c
-index 8dc2b977f..3e23bc363 100644
+index 38715b80f..dcaf3872c 100644
 --- a/third_party/libopenjpeg20/jp2.c
 +++ b/third_party/libopenjpeg20/jp2.c
-@@ -1058,6 +1058,14 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
+@@ -1064,6 +1064,14 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
      }
  
      old_comps = image->comps;
@@ -17,7 +17,7 @@
      new_comps = (opj_image_comp_t*)
                  opj_malloc(nr_channels * sizeof(opj_image_comp_t));
      if (!new_comps) {
-@@ -1102,20 +1110,26 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
+@@ -1108,20 +1116,26 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
          cmp = cmap[i].cmp;
          pcol = cmap[i].pcol;
          src = old_comps[cmp].data;
diff --git a/third_party/libopenjpeg20/0023-opj_j2k_read_mct_records.patch b/third_party/libopenjpeg20/0023-opj_j2k_read_mct_records.patch
index c8415ae..607d9f1 100644
--- a/third_party/libopenjpeg20/0023-opj_j2k_read_mct_records.patch
+++ b/third_party/libopenjpeg20/0023-opj_j2k_read_mct_records.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c
-index ed449684f..c5f9dd53e 100644
+index 1932fe20c..d24564cc2 100644
 --- a/third_party/libopenjpeg20/j2k.c
 +++ b/third_party/libopenjpeg20/j2k.c
-@@ -5553,6 +5553,7 @@ static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
+@@ -5749,6 +5749,7 @@ static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
      OPJ_UINT32 l_tmp;
      OPJ_UINT32 l_indix;
      opj_mct_data_t * l_mct_data;
@@ -10,7 +10,7 @@
  
      /* preconditions */
      assert(p_header_data != 00);
-@@ -5640,7 +5641,7 @@ static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
+@@ -5836,7 +5837,7 @@ static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
          }
  
          l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
@@ -19,7 +19,7 @@
      }
  
      if (l_mct_data->m_data) {
-@@ -5672,6 +5673,9 @@ static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
+@@ -5868,6 +5869,9 @@ static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
  
      l_mct_data->m_data_size = p_header_size;
  
diff --git a/third_party/libopenjpeg20/0025-opj_j2k_add_mct_null_data.patch b/third_party/libopenjpeg20/0025-opj_j2k_add_mct_null_data.patch
index b2e7cdc..5067906 100644
--- a/third_party/libopenjpeg20/0025-opj_j2k_add_mct_null_data.patch
+++ b/third_party/libopenjpeg20/0025-opj_j2k_add_mct_null_data.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c
-index c5f9dd53e..d31eb29a7 100644
+index d24564cc2..889c2cfc8 100644
 --- a/third_party/libopenjpeg20/j2k.c
 +++ b/third_party/libopenjpeg20/j2k.c
-@@ -6201,7 +6201,7 @@ static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
+@@ -6397,7 +6397,7 @@ static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
      if (l_deco_array) {
          l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps
                        * p_image->numcomps;
@@ -11,7 +11,7 @@
              return OPJ_FALSE;
          }
  
-@@ -6222,7 +6222,7 @@ static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
+@@ -6418,7 +6418,7 @@ static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
      if (l_offset_array) {
          l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] *
                        p_image->numcomps;
diff --git a/third_party/libopenjpeg20/0026-use_opj_uint_ceildiv.patch b/third_party/libopenjpeg20/0026-use_opj_uint_ceildiv.patch
index 038fb90..0eb3654 100644
--- a/third_party/libopenjpeg20/0026-use_opj_uint_ceildiv.patch
+++ b/third_party/libopenjpeg20/0026-use_opj_uint_ceildiv.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c
-index c5f9dd53e..1869833f7 100644
+index 889c2cfc8..711dd73e8 100644
 --- a/third_party/libopenjpeg20/j2k.c
 +++ b/third_party/libopenjpeg20/j2k.c
-@@ -2311,10 +2311,8 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
+@@ -2299,10 +2299,8 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
      }
  
      /* Compute the number of tiles */
@@ -15,7 +15,7 @@
  
      /* Check that the number of tiles is valid */
      if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
-@@ -2331,12 +2329,10 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
+@@ -2319,12 +2317,10 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
              (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
          p_j2k->m_specific_param.m_decoder.m_start_tile_y =
              (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
@@ -32,10 +32,10 @@
      } else {
          p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
          p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
-@@ -6922,10 +6918,8 @@ OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
-     */
- 
-     if (parameters->tile_size_on) {
+@@ -7839,10 +7835,8 @@ OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
+             opj_event_msg(p_manager, EVT_ERROR, "Invalid tile height\n");
+             return OPJ_FALSE;
+         }
 -        cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->x1 - cp->tx0),
 -                                             (OPJ_INT32)cp->tdx);
 -        cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->y1 - cp->ty0),
@@ -45,9 +45,9 @@
      } else {
          cp->tdx = image->x1 - cp->tx0;
          cp->tdy = image->y1 - cp->ty0;
-@@ -9237,10 +9231,8 @@ OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
-     for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
-         OPJ_INT32 l_h, l_w;
+@@ -10035,10 +10029,8 @@ static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
+             return OPJ_FALSE;
+         }
  
 -        l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
 -                         (OPJ_INT32)l_img_comp->dx);
@@ -58,7 +58,7 @@
          l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
          l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
  
-@@ -10848,10 +10840,8 @@ OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
+@@ -11950,10 +11942,8 @@ OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
  
          l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
  
@@ -71,7 +71,7 @@
          l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
          l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
  
-@@ -11161,10 +11151,8 @@ static void opj_get_tile_dimensions(opj_image_t * l_image,
+@@ -12304,10 +12294,8 @@ static void opj_get_tile_dimensions(opj_image_t * l_image,
  
      *l_width  = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
      *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
diff --git a/third_party/libopenjpeg20/0035-opj_image_data_free.patch b/third_party/libopenjpeg20/0035-opj_image_data_free.patch
index bc674da..f0cdd8a 100644
--- a/third_party/libopenjpeg20/0035-opj_image_data_free.patch
+++ b/third_party/libopenjpeg20/0035-opj_image_data_free.patch
@@ -1,8 +1,8 @@
 diff --git a/third_party/libopenjpeg20/jp2.c b/third_party/libopenjpeg20/jp2.c
-index 298648a77..2374d459f 100644
+index dcaf3872c..02f3d04c7 100644
 --- a/third_party/libopenjpeg20/jp2.c
 +++ b/third_party/libopenjpeg20/jp2.c
-@@ -1116,7 +1116,7 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
+@@ -1122,7 +1122,7 @@ static OPJ_BOOL opj_jp2_apply_pclr(opj_image_t *image,
          /* Prevent null pointer access */
          if (!src || !dst) {
            for (j = 0; j < nr_channels; ++j) {
diff --git a/third_party/libopenjpeg20/0036-opj_j2k_update_image_dimensions.patch b/third_party/libopenjpeg20/0036-opj_j2k_update_image_dimensions.patch
deleted file mode 100644
index b918c05..0000000
--- a/third_party/libopenjpeg20/0036-opj_j2k_update_image_dimensions.patch
+++ /dev/null
@@ -1,49 +0,0 @@
-diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c
-index 784a0620a..cea614709 100644
---- a/third_party/libopenjpeg20/j2k.c
-+++ b/third_party/libopenjpeg20/j2k.c
-@@ -9223,32 +9223,30 @@ static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
- 
-     l_img_comp = p_image->comps;
-     for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
--        OPJ_INT32 l_h, l_w;
--
-         l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
-         l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
-         l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
-         l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
- 
--        l_w = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor)
--              - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
--        if (l_w < 0) {
-+        OPJ_INT32 l_1 = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor);
-+        OPJ_INT32 l_2 = opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
-+        if (l_1 < l_2) {
-             opj_event_msg(p_manager, EVT_ERROR,
--                          "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
--                          it_comp, l_w);
-+                          "Size x of the decoded component image is incorrect (comp[%d].w<0).\n",
-+                          it_comp);
-             return OPJ_FALSE;
-         }
--        l_img_comp->w = (OPJ_UINT32)l_w;
-+        l_img_comp->w = (OPJ_UINT32)(l_1-l_2);
- 
--        l_h = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor)
--              - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
--        if (l_h < 0) {
-+        l_1 = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor);
-+        l_2 = opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
-+        if (l_1 < l_2) {
-             opj_event_msg(p_manager, EVT_ERROR,
--                          "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
--                          it_comp, l_h);
-+                          "Size y of the decoded component image is incorrect (comp[%d].h<0).\n",
-+                          it_comp);
-             return OPJ_FALSE;
-         }
--        l_img_comp->h = (OPJ_UINT32)l_h;
-+        l_img_comp->h = (OPJ_UINT32)(l_1-l_2);
- 
-         l_img_comp++;
-     }
diff --git a/third_party/libopenjpeg20/0037-tcd_init_tile.patch b/third_party/libopenjpeg20/0037-tcd_init_tile.patch
deleted file mode 100644
index e38a7ec..0000000
--- a/third_party/libopenjpeg20/0037-tcd_init_tile.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c
-index 2ae211ef4..9e98f04ab 100644
---- a/third_party/libopenjpeg20/tcd.c
-+++ b/third_party/libopenjpeg20/tcd.c
-@@ -910,8 +910,24 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
-             /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
-             l_tl_prc_x_start = opj_int_floordivpow2(l_res->x0, (OPJ_INT32)l_pdx) << l_pdx;
-             l_tl_prc_y_start = opj_int_floordivpow2(l_res->y0, (OPJ_INT32)l_pdy) << l_pdy;
--            l_br_prc_x_end = opj_int_ceildivpow2(l_res->x1, (OPJ_INT32)l_pdx) << l_pdx;
--            l_br_prc_y_end = opj_int_ceildivpow2(l_res->y1, (OPJ_INT32)l_pdy) << l_pdy;
-+            {
-+                OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->x1,
-+                                  (OPJ_INT32)l_pdx)) << l_pdx;
-+                if (tmp > (OPJ_UINT32)INT_MAX) {
-+                    opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
-+                    return OPJ_FALSE;
-+                }
-+                l_br_prc_x_end = (OPJ_INT32)tmp;
-+            }
-+            {
-+                OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->y1,
-+                                  (OPJ_INT32)l_pdy)) << l_pdy;
-+                if (tmp > (OPJ_UINT32)INT_MAX) {
-+                    opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
-+                    return OPJ_FALSE;
-+                }
-+                l_br_prc_y_end = (OPJ_INT32)tmp;
-+            }
-             /*fprintf(stderr, "\t\t\tprc_x_start=%d, prc_y_start=%d, br_prc_x_end=%d, br_prc_y_end=%d \n", l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end ,l_br_prc_y_end );*/
- 
-             l_res->pw = (l_res->x0 == l_res->x1) ? 0U : (OPJ_UINT32)((
diff --git a/third_party/libopenjpeg20/0038-opj_j2k_validate_param.patch b/third_party/libopenjpeg20/0038-opj_j2k_validate_param.patch
deleted file mode 100644
index 9431d82..0000000
--- a/third_party/libopenjpeg20/0038-opj_j2k_validate_param.patch
+++ /dev/null
@@ -1,30 +0,0 @@
-diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
-index 59b2bbb7..43be7677 100644
---- a/src/lib/openjp2/j2k.c
-+++ b/src/lib/openjp2/j2k.c
-@@ -2698,6 +2698,12 @@ static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
-     opj_read_bytes(p_header_data, &l_tcp->mct, 1);          /* SGcod (C) */
-     ++p_header_data;
- 
-+    if (l_tcp->mct > 1) {
-+        opj_event_msg(p_manager, EVT_ERROR,
-+                      "Invalid multiple component transformation\n");
-+        return OPJ_FALSE;
-+    }
-+
-     p_header_size -= 5;
-     for (i = 0; i < l_image->numcomps; ++i) {
-         l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
-@@ -9792,6 +9798,12 @@ static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
-     opj_read_bytes(l_current_ptr, &l_tccp->qmfbid, 1);
-     ++l_current_ptr;
- 
-+    if (l_tccp->qmfbid > 1) {
-+        opj_event_msg(p_manager, EVT_ERROR,
-+                      "Error reading SPCod SPCoc element, Invalid transformation found\n");
-+        return OPJ_FALSE;
-+    }
-+
-     *p_header_size = *p_header_size - 5;
- 
-     /* use custom precinct size ? */
diff --git a/third_party/libopenjpeg20/0039-opj_mqc_renorme.patch b/third_party/libopenjpeg20/0039-opj_mqc_renorme.patch
new file mode 100644
index 0000000..07e8a80
--- /dev/null
+++ b/third_party/libopenjpeg20/0039-opj_mqc_renorme.patch
@@ -0,0 +1,16 @@
+diff --git a/third_party/libopenjpeg20/mqc.c b/third_party/libopenjpeg20/mqc.c
+index 4cbfabd03..3caab9e7c 100644
+--- a/third_party/libopenjpeg20/mqc.c
++++ b/third_party/libopenjpeg20/mqc.c
+@@ -370,11 +370,6 @@ void opj_mqc_erterm_enc(opj_mqc_t *mqc)
+     }
+ }
+ 
+-static INLINE void opj_mqc_renorme(opj_mqc_t *mqc)
+-{
+-    opj_mqc_renorme_macro(mqc, mqc->a, mqc->c, mqc->ct);
+-}
+-
+ /**
+ Encode the most probable symbol
+ @param mqc MQC handle
diff --git a/third_party/libopenjpeg20/README.pdfium b/third_party/libopenjpeg20/README.pdfium
index 08f6007..c62780c 100644
--- a/third_party/libopenjpeg20/README.pdfium
+++ b/third_party/libopenjpeg20/README.pdfium
@@ -1,8 +1,9 @@
 Name: OpenJPEG
 URL: http://www.openjpeg.org/
-Version: 2.3.1 (also update in opj_config*)
+Version: 2.4.0 (also update in opj_config*)
 Security Critical: yes
 License: 2-clause BSD
+CPEPrefix: cpe:/a:uclouvain:openjpeg:2.4.0
 
 Description:
 JPEG 2000 library.
@@ -24,9 +25,6 @@
 0023-opj_j2k_read_mct_records.patch: Fix opj_j2k_read to prevent heap-use-after-free.
 0025-opj_j2k_add_mct_null_data.patch: Check m_data != null before trying to read from it.
 0026-use_opj_uint_ceildiv.patch: Remove (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)a, (OPJ_INT32) b).
-0033-undefined-shift-opj_t1_dec_clnpass.patch: fix undefined shifts originated from opj_t1_decode_cblk.
 0034-opj_malloc.patch: PDFium changes in opj_malloc.
 0035-opj_image_data_free.patch: Use the right free function in opj_jp2_apply_pclr.
-0036-opj_j2k_update_image_dimensions.patch: fix integer overflow.
-0037-tcd_init_tile.patch: Avoid integer overflow in opj_tcd_init_tile().
-0038-opj_j2k_validate_param.patch: Validate all SGcod/SPcod/SPcoc parameter values.
+0039-opj_mqc_renorme.patch: Remove unused opj_mqc_renorme().
diff --git a/third_party/libopenjpeg20/dwt.c b/third_party/libopenjpeg20/dwt.c
index 6512b1e..a36b7ed 100644
--- a/third_party/libopenjpeg20/dwt.c
+++ b/third_party/libopenjpeg20/dwt.c
@@ -85,12 +85,14 @@
     OPJ_INT32 cas;  /* 0 = start on even coord, 1 = start on odd coord */
 } opj_dwt_t;
 
-typedef union {
-    OPJ_FLOAT32 f[4];
-} opj_v4_t;
+#define NB_ELTS_V8  8
 
-typedef struct v4dwt_local {
-    opj_v4_t*   wavelet ;
+typedef union {
+    OPJ_FLOAT32 f[NB_ELTS_V8];
+} opj_v8_t;
+
+typedef struct v8dwt_local {
+    opj_v8_t*   wavelet ;
     OPJ_INT32       dn ;  /* number of elements in high pass band */
     OPJ_INT32       sn ;  /* number of elements in low pass band */
     OPJ_INT32       cas ; /* 0 = start on even coord, 1 = start on odd coord */
@@ -98,46 +100,35 @@
     OPJ_UINT32      win_l_x1; /* end coord in low pass band */
     OPJ_UINT32      win_h_x0; /* start coord in high pass band */
     OPJ_UINT32      win_h_x1; /* end coord in high pass band */
-} opj_v4dwt_t ;
+} opj_v8dwt_t ;
 
-static const OPJ_FLOAT32 opj_dwt_alpha =  1.586134342f; /*  12994 */
-static const OPJ_FLOAT32 opj_dwt_beta  =  0.052980118f; /*    434 */
-static const OPJ_FLOAT32 opj_dwt_gamma = -0.882911075f; /*  -7233 */
-static const OPJ_FLOAT32 opj_dwt_delta = -0.443506852f; /*  -3633 */
+/* From table F.4 from the standard */
+static const OPJ_FLOAT32 opj_dwt_alpha =  -1.586134342f;
+static const OPJ_FLOAT32 opj_dwt_beta  =  -0.052980118f;
+static const OPJ_FLOAT32 opj_dwt_gamma = 0.882911075f;
+static const OPJ_FLOAT32 opj_dwt_delta = 0.443506852f;
 
-static const OPJ_FLOAT32 opj_K      = 1.230174105f; /*  10078 */
-static const OPJ_FLOAT32 opj_c13318 = 1.625732422f;
+static const OPJ_FLOAT32 opj_K      = 1.230174105f;
+static const OPJ_FLOAT32 opj_invK   = (OPJ_FLOAT32)(1.0 / 1.230174105);
 
 /*@}*/
 
-/**
-Virtual function type for wavelet transform in 1-D
-*/
-typedef void (*DWT1DFN)(const opj_dwt_t* v);
-
 /** @name Local static functions */
 /*@{*/
 
 /**
 Forward lazy transform (horizontal)
 */
-static void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn,
+static void opj_dwt_deinterleave_h(const OPJ_INT32 * OPJ_RESTRICT a,
+                                   OPJ_INT32 * OPJ_RESTRICT b,
+                                   OPJ_INT32 dn,
                                    OPJ_INT32 sn, OPJ_INT32 cas);
-/**
-Forward lazy transform (vertical)
-*/
-static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn,
-                                   OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas);
-/**
-Forward 5-3 wavelet transform in 1-D
-*/
-static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_SIZE_T a_count, OPJ_INT32 dn,
-    OPJ_INT32 sn, OPJ_INT32 cas);
+
 /**
 Forward 9-7 wavelet transform in 1-D
 */
-static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_SIZE_T a_count,
-    OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
+static void opj_dwt_encode_1_real(void *a, OPJ_INT32 dn, OPJ_INT32 sn,
+                                  OPJ_INT32 cas);
 /**
 Explicit calculation of the Quantization Stepsizes
 */
@@ -153,8 +144,29 @@
     opj_tcd_tilecomp_t* tilec,
     OPJ_UINT32 numres);
 
-static OPJ_BOOL opj_dwt_encode_procedure(const opj_tcd_tilecomp_t * tilec,
-        void(*p_function)(OPJ_INT32 *, OPJ_SIZE_T, OPJ_INT32, OPJ_INT32, OPJ_INT32));
+/* Forward transform, for the vertical pass, processing cols columns */
+/* where cols <= NB_ELTS_V8 */
+/* Where void* is a OPJ_INT32* for 5x3 and OPJ_FLOAT32* for 9x7 */
+typedef void (*opj_encode_and_deinterleave_v_fnptr_type)(
+    void *array,
+    void *tmp,
+    OPJ_UINT32 height,
+    OPJ_BOOL even,
+    OPJ_UINT32 stride_width,
+    OPJ_UINT32 cols);
+
+/* Where void* is a OPJ_INT32* for 5x3 and OPJ_FLOAT32* for 9x7 */
+typedef void (*opj_encode_and_deinterleave_h_one_row_fnptr_type)(
+    void *row,
+    void *tmp,
+    OPJ_UINT32 width,
+    OPJ_BOOL even);
+
+static OPJ_BOOL opj_dwt_encode_procedure(opj_thread_pool_t* tp,
+        opj_tcd_tilecomp_t * tilec,
+        opj_encode_and_deinterleave_v_fnptr_type p_encode_and_deinterleave_v,
+        opj_encode_and_deinterleave_h_one_row_fnptr_type
+        p_encode_and_deinterleave_h_one_row);
 
 static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* OPJ_RESTRICT r,
         OPJ_UINT32 i);
@@ -162,42 +174,6 @@
 /* <summary>                             */
 /* Inverse 9-7 wavelet transform in 1-D. */
 /* </summary>                            */
-static void opj_v4dwt_decode(opj_v4dwt_t* OPJ_RESTRICT dwt);
-
-static void opj_v4dwt_interleave_h(opj_v4dwt_t* OPJ_RESTRICT dwt,
-                                   OPJ_FLOAT32* OPJ_RESTRICT a,
-                                   OPJ_UINT32 width,
-                                   OPJ_UINT32 remaining_height);
-
-static void opj_v4dwt_interleave_v(opj_v4dwt_t* OPJ_RESTRICT dwt,
-                                   OPJ_FLOAT32* OPJ_RESTRICT a,
-                                   OPJ_UINT32 width,
-                                   OPJ_UINT32 nb_elts_read);
-
-#ifdef __SSE__
-static void opj_v4dwt_decode_step1_sse(opj_v4_t* w,
-                                       OPJ_UINT32 start,
-                                       OPJ_UINT32 end,
-                                       const __m128 c);
-
-static void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w,
-                                       OPJ_UINT32 start,
-                                       OPJ_UINT32 end,
-                                       OPJ_UINT32 m, __m128 c);
-
-#else
-static void opj_v4dwt_decode_step1(opj_v4_t* w,
-                                   OPJ_UINT32 start,
-                                   OPJ_UINT32 end,
-                                   const OPJ_FLOAT32 c);
-
-static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w,
-                                   OPJ_UINT32 start,
-                                   OPJ_UINT32 end,
-                                   OPJ_UINT32 m,
-                                   OPJ_FLOAT32 c);
-
-#endif
 
 /*@}*/
 
@@ -251,12 +227,14 @@
 /* <summary>                             */
 /* Forward lazy transform (horizontal).  */
 /* </summary>                            */
-static void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn,
+static void opj_dwt_deinterleave_h(const OPJ_INT32 * OPJ_RESTRICT a,
+                                   OPJ_INT32 * OPJ_RESTRICT b,
+                                   OPJ_INT32 dn,
                                    OPJ_INT32 sn, OPJ_INT32 cas)
 {
     OPJ_INT32 i;
-    OPJ_INT32 * l_dest = b;
-    OPJ_INT32 * l_src = a + cas;
+    OPJ_INT32 * OPJ_RESTRICT l_dest = b;
+    const OPJ_INT32 * OPJ_RESTRICT l_src = a + cas;
 
     for (i = 0; i < sn; ++i) {
         *l_dest++ = *l_src;
@@ -272,40 +250,13 @@
     }
 }
 
-/* <summary>                             */
-/* Forward lazy transform (vertical).    */
-/* </summary>                            */
-static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn,
-                                   OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas)
-{
-    OPJ_INT32 i = sn;
-    OPJ_INT32 * l_dest = b;
-    OPJ_INT32 * l_src = a + cas;
-
-    while (i--) {
-        *l_dest = *l_src;
-        l_dest += x;
-        l_src += 2;
-    } /* b[i*x]=a[2*i+cas]; */
-
-    l_dest = b + (OPJ_SIZE_T)sn * (OPJ_SIZE_T)x;
-    l_src = a + 1 - cas;
-
-    i = dn;
-    while (i--) {
-        *l_dest = *l_src;
-        l_dest += x;
-        l_src += 2;
-    } /*b[(sn+i)*x]=a[(2*i+1-cas)];*/
-}
-
 #ifdef STANDARD_SLOW_VERSION
 /* <summary>                             */
 /* Inverse lazy transform (horizontal).  */
 /* </summary>                            */
 static void opj_dwt_interleave_h(const opj_dwt_t* h, OPJ_INT32 *a)
 {
-    OPJ_INT32 *ai = a;
+    const OPJ_INT32 *ai = a;
     OPJ_INT32 *bi = h->mem + h->cas;
     OPJ_INT32  i    = h->sn;
     while (i--) {
@@ -326,7 +277,7 @@
 /* </summary>                            */
 static void opj_dwt_interleave_v(const opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x)
 {
-    OPJ_INT32 *ai = a;
+    const OPJ_INT32 *ai = a;
     OPJ_INT32 *bi = v->mem + v->cas;
     OPJ_INT32  i = v->sn;
     while (i--) {
@@ -346,37 +297,6 @@
 
 #endif /* STANDARD_SLOW_VERSION */
 
-/* <summary>                            */
-/* Forward 5-3 wavelet transform in 1-D. */
-/* </summary>                           */
-static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_SIZE_T a_count, OPJ_INT32 dn,
-                             OPJ_INT32 sn, OPJ_INT32 cas)
-{
-    OPJ_INT32 i;
-
-    if (!cas) {
-        if ((dn > 0) || (sn > 1)) { /* NEW :  CASE ONE ELEMENT */
-            for (i = 0; i < dn; i++) {
-                OPJ_D(i) -= (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
-            }
-            for (i = 0; i < sn; i++) {
-                OPJ_S(i) += (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
-            }
-        }
-    } else {
-        if (!sn && dn == 1) {       /* NEW :  CASE ONE ELEMENT */
-            OPJ_S(0) *= 2;
-        } else {
-            for (i = 0; i < dn; i++) {
-                OPJ_S(i) -= (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1;
-            }
-            for (i = 0; i < sn; i++) {
-                OPJ_D(i) += (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2;
-            }
-        }
-    }
-}
-
 #ifdef STANDARD_SLOW_VERSION
 /* <summary>                            */
 /* Inverse 5-3 wavelet transform in 1-D. */
@@ -1038,57 +958,137 @@
 #endif
 }
 
-
-/* <summary>                             */
-/* Forward 9-7 wavelet transform in 1-D. */
-/* </summary>                            */
-static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_SIZE_T a_count,
-                                  OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas)
+#if 0
+static void opj_dwt_encode_step1(OPJ_FLOAT32* fw,
+                                 OPJ_UINT32 end,
+                                 const OPJ_FLOAT32 c)
 {
-    OPJ_INT32 i;
-    if (!cas) {
-        if ((dn > 0) || (sn > 1)) { /* NEW :  CASE ONE ELEMENT */
-            for (i = 0; i < dn; i++) {
-                OPJ_D(i) -= opj_int_fix_mul(OPJ_S_(i) + OPJ_S_(i + 1), 12993);
-            }
-            for (i = 0; i < sn; i++) {
-                OPJ_S(i) -= opj_int_fix_mul(OPJ_D_(i - 1) + OPJ_D_(i), 434);
-            }
-            for (i = 0; i < dn; i++) {
-                OPJ_D(i) += opj_int_fix_mul(OPJ_S_(i) + OPJ_S_(i + 1), 7233);
-            }
-            for (i = 0; i < sn; i++) {
-                OPJ_S(i) += opj_int_fix_mul(OPJ_D_(i - 1) + OPJ_D_(i), 3633);
-            }
-            for (i = 0; i < dn; i++) {
-                OPJ_D(i) = opj_int_fix_mul(OPJ_D(i), 5038);    /*5038 */
-            }
-            for (i = 0; i < sn; i++) {
-                OPJ_S(i) = opj_int_fix_mul(OPJ_S(i), 6659);    /*6660 */
-            }
+    OPJ_UINT32 i = 0;
+    for (; i < end; ++i) {
+        fw[0] *= c;
+        fw += 2;
+    }
+}
+#else
+static void opj_dwt_encode_step1_combined(OPJ_FLOAT32* fw,
+        OPJ_UINT32 iters_c1,
+        OPJ_UINT32 iters_c2,
+        const OPJ_FLOAT32 c1,
+        const OPJ_FLOAT32 c2)
+{
+    OPJ_UINT32 i = 0;
+    const OPJ_UINT32 iters_common =  opj_uint_min(iters_c1, iters_c2);
+    assert((((OPJ_SIZE_T)fw) & 0xf) == 0);
+    assert(opj_int_abs((OPJ_INT32)iters_c1 - (OPJ_INT32)iters_c2) <= 1);
+    for (; i + 3 < iters_common; i += 4) {
+#ifdef __SSE__
+        const __m128 vcst = _mm_set_ps(c2, c1, c2, c1);
+        *(__m128*)fw = _mm_mul_ps(*(__m128*)fw, vcst);
+        *(__m128*)(fw + 4) = _mm_mul_ps(*(__m128*)(fw + 4), vcst);
+#else
+        fw[0] *= c1;
+        fw[1] *= c2;
+        fw[2] *= c1;
+        fw[3] *= c2;
+        fw[4] *= c1;
+        fw[5] *= c2;
+        fw[6] *= c1;
+        fw[7] *= c2;
+#endif
+        fw += 8;
+    }
+    for (; i < iters_common; i++) {
+        fw[0] *= c1;
+        fw[1] *= c2;
+        fw += 2;
+    }
+    if (i < iters_c1) {
+        fw[0] *= c1;
+    } else if (i < iters_c2) {
+        fw[1] *= c2;
+    }
+}
+
+#endif
+
+static void opj_dwt_encode_step2(OPJ_FLOAT32* fl, OPJ_FLOAT32* fw,
+                                 OPJ_UINT32 end,
+                                 OPJ_UINT32 m,
+                                 OPJ_FLOAT32 c)
+{
+    OPJ_UINT32 i;
+    OPJ_UINT32 imax = opj_uint_min(end, m);
+    if (imax > 0) {
+        fw[-1] += (fl[0] + fw[0]) * c;
+        fw += 2;
+        i = 1;
+        for (; i + 3 < imax; i += 4) {
+            fw[-1] += (fw[-2] + fw[0]) * c;
+            fw[1] += (fw[0] + fw[2]) * c;
+            fw[3] += (fw[2] + fw[4]) * c;
+            fw[5] += (fw[4] + fw[6]) * c;
+            fw += 8;
         }
-    } else {
-        if ((sn > 0) || (dn > 1)) { /* NEW :  CASE ONE ELEMENT */
-            for (i = 0; i < dn; i++) {
-                OPJ_S(i) -= opj_int_fix_mul(OPJ_DD_(i) + OPJ_DD_(i - 1), 12993);
-            }
-            for (i = 0; i < sn; i++) {
-                OPJ_D(i) -= opj_int_fix_mul(OPJ_SS_(i) + OPJ_SS_(i + 1), 434);
-            }
-            for (i = 0; i < dn; i++) {
-                OPJ_S(i) += opj_int_fix_mul(OPJ_DD_(i) + OPJ_DD_(i - 1), 7233);
-            }
-            for (i = 0; i < sn; i++) {
-                OPJ_D(i) += opj_int_fix_mul(OPJ_SS_(i) + OPJ_SS_(i + 1), 3633);
-            }
-            for (i = 0; i < dn; i++) {
-                OPJ_S(i) = opj_int_fix_mul(OPJ_S(i), 5038);    /*5038 */
-            }
-            for (i = 0; i < sn; i++) {
-                OPJ_D(i) = opj_int_fix_mul(OPJ_D(i), 6659);    /*6660 */
-            }
+        for (; i < imax; ++i) {
+            fw[-1] += (fw[-2] + fw[0]) * c;
+            fw += 2;
         }
     }
+    if (m < end) {
+        assert(m + 1 == end);
+        fw[-1] += (2 * fw[-2]) * c;
+    }
+}
+
+static void opj_dwt_encode_1_real(void *aIn, OPJ_INT32 dn, OPJ_INT32 sn,
+                                  OPJ_INT32 cas)
+{
+    OPJ_FLOAT32* w = (OPJ_FLOAT32*)aIn;
+    OPJ_INT32 a, b;
+    assert(dn + sn > 1);
+    if (cas == 0) {
+        a = 0;
+        b = 1;
+    } else {
+        a = 1;
+        b = 0;
+    }
+    opj_dwt_encode_step2(w + a, w + b + 1,
+                         (OPJ_UINT32)dn,
+                         (OPJ_UINT32)opj_int_min(dn, sn - b),
+                         opj_dwt_alpha);
+    opj_dwt_encode_step2(w + b, w + a + 1,
+                         (OPJ_UINT32)sn,
+                         (OPJ_UINT32)opj_int_min(sn, dn - a),
+                         opj_dwt_beta);
+    opj_dwt_encode_step2(w + a, w + b + 1,
+                         (OPJ_UINT32)dn,
+                         (OPJ_UINT32)opj_int_min(dn, sn - b),
+                         opj_dwt_gamma);
+    opj_dwt_encode_step2(w + b, w + a + 1,
+                         (OPJ_UINT32)sn,
+                         (OPJ_UINT32)opj_int_min(sn, dn - a),
+                         opj_dwt_delta);
+#if 0
+    opj_dwt_encode_step1(w + b, (OPJ_UINT32)dn,
+                         opj_K);
+    opj_dwt_encode_step1(w + a, (OPJ_UINT32)sn,
+                         opj_invK);
+#else
+    if (a == 0) {
+        opj_dwt_encode_step1_combined(w,
+                                      (OPJ_UINT32)sn,
+                                      (OPJ_UINT32)dn,
+                                      opj_invK,
+                                      opj_K);
+    } else {
+        opj_dwt_encode_step1_combined(w,
+                                      (OPJ_UINT32)dn,
+                                      (OPJ_UINT32)sn,
+                                      opj_K,
+                                      opj_invK);
+    }
+#endif
 }
 
 static void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps,
@@ -1107,42 +1107,650 @@
 ==========================================================
 */
 
+/** Process one line for the horizontal pass of the 5x3 forward transform */
+static
+void opj_dwt_encode_and_deinterleave_h_one_row(void* rowIn,
+        void* tmpIn,
+        OPJ_UINT32 width,
+        OPJ_BOOL even)
+{
+    OPJ_INT32* OPJ_RESTRICT row = (OPJ_INT32*)rowIn;
+    OPJ_INT32* OPJ_RESTRICT tmp = (OPJ_INT32*)tmpIn;
+    const OPJ_INT32 sn = (OPJ_INT32)((width + (even ? 1 : 0)) >> 1);
+    const OPJ_INT32 dn = (OPJ_INT32)(width - (OPJ_UINT32)sn);
+
+    if (even) {
+        if (width > 1) {
+            OPJ_INT32 i;
+            for (i = 0; i < sn - 1; i++) {
+                tmp[sn + i] = row[2 * i + 1] - ((row[(i) * 2] + row[(i + 1) * 2]) >> 1);
+            }
+            if ((width % 2) == 0) {
+                tmp[sn + i] = row[2 * i + 1] - row[(i) * 2];
+            }
+            row[0] += (tmp[sn] + tmp[sn] + 2) >> 2;
+            for (i = 1; i < dn; i++) {
+                row[i] = row[2 * i] + ((tmp[sn + (i - 1)] + tmp[sn + i] + 2) >> 2);
+            }
+            if ((width % 2) == 1) {
+                row[i] = row[2 * i] + ((tmp[sn + (i - 1)] + tmp[sn + (i - 1)] + 2) >> 2);
+            }
+            memcpy(row + sn, tmp + sn, (OPJ_SIZE_T)dn * sizeof(OPJ_INT32));
+        }
+    } else {
+        if (width == 1) {
+            row[0] *= 2;
+        } else {
+            OPJ_INT32 i;
+            tmp[sn + 0] = row[0] - row[1];
+            for (i = 1; i < sn; i++) {
+                tmp[sn + i] = row[2 * i] - ((row[2 * i + 1] + row[2 * (i - 1) + 1]) >> 1);
+            }
+            if ((width % 2) == 1) {
+                tmp[sn + i] = row[2 * i] - row[2 * (i - 1) + 1];
+            }
+
+            for (i = 0; i < dn - 1; i++) {
+                row[i] = row[2 * i + 1] + ((tmp[sn + i] + tmp[sn + i + 1] + 2) >> 2);
+            }
+            if ((width % 2) == 0) {
+                row[i] = row[2 * i + 1] + ((tmp[sn + i] + tmp[sn + i] + 2) >> 2);
+            }
+            memcpy(row + sn, tmp + sn, (OPJ_SIZE_T)dn * sizeof(OPJ_INT32));
+        }
+    }
+}
+
+/** Process one line for the horizontal pass of the 9x7 forward transform */
+static
+void opj_dwt_encode_and_deinterleave_h_one_row_real(void* rowIn,
+        void* tmpIn,
+        OPJ_UINT32 width,
+        OPJ_BOOL even)
+{
+    OPJ_FLOAT32* OPJ_RESTRICT row = (OPJ_FLOAT32*)rowIn;
+    OPJ_FLOAT32* OPJ_RESTRICT tmp = (OPJ_FLOAT32*)tmpIn;
+    const OPJ_INT32 sn = (OPJ_INT32)((width + (even ? 1 : 0)) >> 1);
+    const OPJ_INT32 dn = (OPJ_INT32)(width - (OPJ_UINT32)sn);
+    if (width == 1) {
+        return;
+    }
+    memcpy(tmp, row, width * sizeof(OPJ_FLOAT32));
+    opj_dwt_encode_1_real(tmp, dn, sn, even ? 0 : 1);
+    opj_dwt_deinterleave_h((OPJ_INT32 * OPJ_RESTRICT)tmp,
+                           (OPJ_INT32 * OPJ_RESTRICT)row,
+                           dn, sn, even ? 0 : 1);
+}
+
+typedef struct {
+    opj_dwt_t h;
+    OPJ_UINT32 rw; /* Width of the resolution to process */
+    OPJ_UINT32 w; /* Width of tiledp */
+    OPJ_INT32 * OPJ_RESTRICT tiledp;
+    OPJ_UINT32 min_j;
+    OPJ_UINT32 max_j;
+    opj_encode_and_deinterleave_h_one_row_fnptr_type p_function;
+} opj_dwt_encode_h_job_t;
+
+static void opj_dwt_encode_h_func(void* user_data, opj_tls_t* tls)
+{
+    OPJ_UINT32 j;
+    opj_dwt_encode_h_job_t* job;
+    (void)tls;
+
+    job = (opj_dwt_encode_h_job_t*)user_data;
+    for (j = job->min_j; j < job->max_j; j++) {
+        OPJ_INT32* OPJ_RESTRICT aj = job->tiledp + j * job->w;
+        (*job->p_function)(aj, job->h.mem, job->rw,
+                           job->h.cas == 0 ? OPJ_TRUE : OPJ_FALSE);
+    }
+
+    opj_aligned_free(job->h.mem);
+    opj_free(job);
+}
+
+typedef struct {
+    opj_dwt_t v;
+    OPJ_UINT32 rh;
+    OPJ_UINT32 w;
+    OPJ_INT32 * OPJ_RESTRICT tiledp;
+    OPJ_UINT32 min_j;
+    OPJ_UINT32 max_j;
+    opj_encode_and_deinterleave_v_fnptr_type p_encode_and_deinterleave_v;
+} opj_dwt_encode_v_job_t;
+
+static void opj_dwt_encode_v_func(void* user_data, opj_tls_t* tls)
+{
+    OPJ_UINT32 j;
+    opj_dwt_encode_v_job_t* job;
+    (void)tls;
+
+    job = (opj_dwt_encode_v_job_t*)user_data;
+    for (j = job->min_j; j + NB_ELTS_V8 - 1 < job->max_j; j += NB_ELTS_V8) {
+        (*job->p_encode_and_deinterleave_v)(job->tiledp + j,
+                                            job->v.mem,
+                                            job->rh,
+                                            job->v.cas == 0,
+                                            job->w,
+                                            NB_ELTS_V8);
+    }
+    if (j < job->max_j) {
+        (*job->p_encode_and_deinterleave_v)(job->tiledp + j,
+                                            job->v.mem,
+                                            job->rh,
+                                            job->v.cas == 0,
+                                            job->w,
+                                            job->max_j - j);
+    }
+
+    opj_aligned_free(job->v.mem);
+    opj_free(job);
+}
+
+/** Fetch up to cols <= NB_ELTS_V8 for each line, and put them in tmpOut */
+/* that has a NB_ELTS_V8 interleave factor. */
+static void opj_dwt_fetch_cols_vertical_pass(const void *arrayIn,
+        void *tmpOut,
+        OPJ_UINT32 height,
+        OPJ_UINT32 stride_width,
+        OPJ_UINT32 cols)
+{
+    const OPJ_INT32* OPJ_RESTRICT array = (const OPJ_INT32 * OPJ_RESTRICT)arrayIn;
+    OPJ_INT32* OPJ_RESTRICT tmp = (OPJ_INT32 * OPJ_RESTRICT)tmpOut;
+    if (cols == NB_ELTS_V8) {
+        OPJ_UINT32 k;
+        for (k = 0; k < height; ++k) {
+            memcpy(tmp + NB_ELTS_V8 * k,
+                   array + k * stride_width,
+                   NB_ELTS_V8 * sizeof(OPJ_INT32));
+        }
+    } else {
+        OPJ_UINT32 k;
+        for (k = 0; k < height; ++k) {
+            OPJ_UINT32 c;
+            for (c = 0; c < cols; c++) {
+                tmp[NB_ELTS_V8 * k + c] = array[c + k * stride_width];
+            }
+            for (; c < NB_ELTS_V8; c++) {
+                tmp[NB_ELTS_V8 * k + c] = 0;
+            }
+        }
+    }
+}
+
+/* Deinterleave result of forward transform, where cols <= NB_ELTS_V8 */
+/* and src contains NB_ELTS_V8 consecutive values for up to NB_ELTS_V8 */
+/* columns. */
+static INLINE void opj_dwt_deinterleave_v_cols(
+    const OPJ_INT32 * OPJ_RESTRICT src,
+    OPJ_INT32 * OPJ_RESTRICT dst,
+    OPJ_INT32 dn,
+    OPJ_INT32 sn,
+    OPJ_UINT32 stride_width,
+    OPJ_INT32 cas,
+    OPJ_UINT32 cols)
+{
+    OPJ_INT32 k;
+    OPJ_INT32 i = sn;
+    OPJ_INT32 * OPJ_RESTRICT l_dest = dst;
+    const OPJ_INT32 * OPJ_RESTRICT l_src = src + cas * NB_ELTS_V8;
+    OPJ_UINT32 c;
+
+    for (k = 0; k < 2; k++) {
+        while (i--) {
+            if (cols == NB_ELTS_V8) {
+                memcpy(l_dest, l_src, NB_ELTS_V8 * sizeof(OPJ_INT32));
+            } else {
+                c = 0;
+                switch (cols) {
+                case 7:
+                    l_dest[c] = l_src[c];
+                    c++; /* fallthru */
+                case 6:
+                    l_dest[c] = l_src[c];
+                    c++; /* fallthru */
+                case 5:
+                    l_dest[c] = l_src[c];
+                    c++; /* fallthru */
+                case 4:
+                    l_dest[c] = l_src[c];
+                    c++; /* fallthru */
+                case 3:
+                    l_dest[c] = l_src[c];
+                    c++; /* fallthru */
+                case 2:
+                    l_dest[c] = l_src[c];
+                    c++; /* fallthru */
+                default:
+                    l_dest[c] = l_src[c];
+                    break;
+                }
+            }
+            l_dest += stride_width;
+            l_src += 2 * NB_ELTS_V8;
+        }
+
+        l_dest = dst + (OPJ_SIZE_T)sn * (OPJ_SIZE_T)stride_width;
+        l_src = src + (1 - cas) * NB_ELTS_V8;
+        i = dn;
+    }
+}
+
+
+/* Forward 5-3 transform, for the vertical pass, processing cols columns */
+/* where cols <= NB_ELTS_V8 */
+static void opj_dwt_encode_and_deinterleave_v(
+    void *arrayIn,
+    void *tmpIn,
+    OPJ_UINT32 height,
+    OPJ_BOOL even,
+    OPJ_UINT32 stride_width,
+    OPJ_UINT32 cols)
+{
+    OPJ_INT32* OPJ_RESTRICT array = (OPJ_INT32 * OPJ_RESTRICT)arrayIn;
+    OPJ_INT32* OPJ_RESTRICT tmp = (OPJ_INT32 * OPJ_RESTRICT)tmpIn;
+    const OPJ_UINT32 sn = (height + (even ? 1 : 0)) >> 1;
+    const OPJ_UINT32 dn = height - sn;
+
+    opj_dwt_fetch_cols_vertical_pass(arrayIn, tmpIn, height, stride_width, cols);
+
+#define OPJ_Sc(i) tmp[(i)*2* NB_ELTS_V8 + c]
+#define OPJ_Dc(i) tmp[((1+(i)*2))* NB_ELTS_V8 + c]
+
+#ifdef __SSE2__
+    if (height == 1) {
+        if (!even) {
+            OPJ_UINT32 c;
+            for (c = 0; c < NB_ELTS_V8; c++) {
+                tmp[c] *= 2;
+            }
+        }
+    } else if (even) {
+        OPJ_UINT32 c;
+        OPJ_UINT32 i;
+        i = 0;
+        if (i + 1 < sn) {
+            __m128i xmm_Si_0 = *(const __m128i*)(tmp + 4 * 0);
+            __m128i xmm_Si_1 = *(const __m128i*)(tmp + 4 * 1);
+            for (; i + 1 < sn; i++) {
+                __m128i xmm_Sip1_0 = *(const __m128i*)(tmp +
+                                                       (i + 1) * 2 * NB_ELTS_V8 + 4 * 0);
+                __m128i xmm_Sip1_1 = *(const __m128i*)(tmp +
+                                                       (i + 1) * 2 * NB_ELTS_V8 + 4 * 1);
+                __m128i xmm_Di_0 = *(const __m128i*)(tmp +
+                                                     (1 + i * 2) * NB_ELTS_V8 + 4 * 0);
+                __m128i xmm_Di_1 = *(const __m128i*)(tmp +
+                                                     (1 + i * 2) * NB_ELTS_V8 + 4 * 1);
+                xmm_Di_0 = _mm_sub_epi32(xmm_Di_0,
+                                         _mm_srai_epi32(_mm_add_epi32(xmm_Si_0, xmm_Sip1_0), 1));
+                xmm_Di_1 = _mm_sub_epi32(xmm_Di_1,
+                                         _mm_srai_epi32(_mm_add_epi32(xmm_Si_1, xmm_Sip1_1), 1));
+                *(__m128i*)(tmp + (1 + i * 2) * NB_ELTS_V8 + 4 * 0) =  xmm_Di_0;
+                *(__m128i*)(tmp + (1 + i * 2) * NB_ELTS_V8 + 4 * 1) =  xmm_Di_1;
+                xmm_Si_0 = xmm_Sip1_0;
+                xmm_Si_1 = xmm_Sip1_1;
+            }
+        }
+        if (((height) % 2) == 0) {
+            for (c = 0; c < NB_ELTS_V8; c++) {
+                OPJ_Dc(i) -= OPJ_Sc(i);
+            }
+        }
+        for (c = 0; c < NB_ELTS_V8; c++) {
+            OPJ_Sc(0) += (OPJ_Dc(0) + OPJ_Dc(0) + 2) >> 2;
+        }
+        i = 1;
+        if (i < dn) {
+            __m128i xmm_Dim1_0 = *(const __m128i*)(tmp + (1 +
+                                                   (i - 1) * 2) * NB_ELTS_V8 + 4 * 0);
+            __m128i xmm_Dim1_1 = *(const __m128i*)(tmp + (1 +
+                                                   (i - 1) * 2) * NB_ELTS_V8 + 4 * 1);
+            const __m128i xmm_two = _mm_set1_epi32(2);
+            for (; i < dn; i++) {
+                __m128i xmm_Di_0 = *(const __m128i*)(tmp +
+                                                     (1 + i * 2) * NB_ELTS_V8 + 4 * 0);
+                __m128i xmm_Di_1 = *(const __m128i*)(tmp +
+                                                     (1 + i * 2) * NB_ELTS_V8 + 4 * 1);
+                __m128i xmm_Si_0 = *(const __m128i*)(tmp +
+                                                     (i * 2) * NB_ELTS_V8 + 4 * 0);
+                __m128i xmm_Si_1 = *(const __m128i*)(tmp +
+                                                     (i * 2) * NB_ELTS_V8 + 4 * 1);
+                xmm_Si_0 = _mm_add_epi32(xmm_Si_0,
+                                         _mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(xmm_Dim1_0, xmm_Di_0), xmm_two), 2));
+                xmm_Si_1 = _mm_add_epi32(xmm_Si_1,
+                                         _mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(xmm_Dim1_1, xmm_Di_1), xmm_two), 2));
+                *(__m128i*)(tmp + (i * 2) * NB_ELTS_V8 + 4 * 0) = xmm_Si_0;
+                *(__m128i*)(tmp + (i * 2) * NB_ELTS_V8 + 4 * 1) = xmm_Si_1;
+                xmm_Dim1_0 = xmm_Di_0;
+                xmm_Dim1_1 = xmm_Di_1;
+            }
+        }
+        if (((height) % 2) == 1) {
+            for (c = 0; c < NB_ELTS_V8; c++) {
+                OPJ_Sc(i) += (OPJ_Dc(i - 1) + OPJ_Dc(i - 1) + 2) >> 2;
+            }
+        }
+    } else {
+        OPJ_UINT32 c;
+        OPJ_UINT32 i;
+        for (c = 0; c < NB_ELTS_V8; c++) {
+            OPJ_Sc(0) -= OPJ_Dc(0);
+        }
+        i = 1;
+        if (i < sn) {
+            __m128i xmm_Dim1_0 = *(const __m128i*)(tmp + (1 +
+                                                   (i - 1) * 2) * NB_ELTS_V8 + 4 * 0);
+            __m128i xmm_Dim1_1 = *(const __m128i*)(tmp + (1 +
+                                                   (i - 1) * 2) * NB_ELTS_V8 + 4 * 1);
+            for (; i < sn; i++) {
+                __m128i xmm_Di_0 = *(const __m128i*)(tmp +
+                                                     (1 + i * 2) * NB_ELTS_V8 + 4 * 0);
+                __m128i xmm_Di_1 = *(const __m128i*)(tmp +
+                                                     (1 + i * 2) * NB_ELTS_V8 + 4 * 1);
+                __m128i xmm_Si_0 = *(const __m128i*)(tmp +
+                                                     (i * 2) * NB_ELTS_V8 + 4 * 0);
+                __m128i xmm_Si_1 = *(const __m128i*)(tmp +
+                                                     (i * 2) * NB_ELTS_V8 + 4 * 1);
+                xmm_Si_0 = _mm_sub_epi32(xmm_Si_0,
+                                         _mm_srai_epi32(_mm_add_epi32(xmm_Di_0, xmm_Dim1_0), 1));
+                xmm_Si_1 = _mm_sub_epi32(xmm_Si_1,
+                                         _mm_srai_epi32(_mm_add_epi32(xmm_Di_1, xmm_Dim1_1), 1));
+                *(__m128i*)(tmp + (i * 2) * NB_ELTS_V8 + 4 * 0) = xmm_Si_0;
+                *(__m128i*)(tmp + (i * 2) * NB_ELTS_V8 + 4 * 1) = xmm_Si_1;
+                xmm_Dim1_0 = xmm_Di_0;
+                xmm_Dim1_1 = xmm_Di_1;
+            }
+        }
+        if (((height) % 2) == 1) {
+            for (c = 0; c < NB_ELTS_V8; c++) {
+                OPJ_Sc(i) -= OPJ_Dc(i - 1);
+            }
+        }
+        i = 0;
+        if (i + 1 < dn) {
+            __m128i xmm_Si_0 = *((const __m128i*)(tmp + 4 * 0));
+            __m128i xmm_Si_1 = *((const __m128i*)(tmp + 4 * 1));
+            const __m128i xmm_two = _mm_set1_epi32(2);
+            for (; i + 1 < dn; i++) {
+                __m128i xmm_Sip1_0 = *(const __m128i*)(tmp +
+                                                       (i + 1) * 2 * NB_ELTS_V8 + 4 * 0);
+                __m128i xmm_Sip1_1 = *(const __m128i*)(tmp +
+                                                       (i + 1) * 2 * NB_ELTS_V8 + 4 * 1);
+                __m128i xmm_Di_0 = *(const __m128i*)(tmp +
+                                                     (1 + i * 2) * NB_ELTS_V8 + 4 * 0);
+                __m128i xmm_Di_1 = *(const __m128i*)(tmp +
+                                                     (1 + i * 2) * NB_ELTS_V8 + 4 * 1);
+                xmm_Di_0 = _mm_add_epi32(xmm_Di_0,
+                                         _mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(xmm_Si_0, xmm_Sip1_0), xmm_two), 2));
+                xmm_Di_1 = _mm_add_epi32(xmm_Di_1,
+                                         _mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(xmm_Si_1, xmm_Sip1_1), xmm_two), 2));
+                *(__m128i*)(tmp + (1 + i * 2) * NB_ELTS_V8 + 4 * 0) = xmm_Di_0;
+                *(__m128i*)(tmp + (1 + i * 2) * NB_ELTS_V8 + 4 * 1) = xmm_Di_1;
+                xmm_Si_0 = xmm_Sip1_0;
+                xmm_Si_1 = xmm_Sip1_1;
+            }
+        }
+        if (((height) % 2) == 0) {
+            for (c = 0; c < NB_ELTS_V8; c++) {
+                OPJ_Dc(i) += (OPJ_Sc(i) + OPJ_Sc(i) + 2) >> 2;
+            }
+        }
+    }
+#else
+    if (even) {
+        OPJ_UINT32 c;
+        if (height > 1) {
+            OPJ_UINT32 i;
+            for (i = 0; i + 1 < sn; i++) {
+                for (c = 0; c < NB_ELTS_V8; c++) {
+                    OPJ_Dc(i) -= (OPJ_Sc(i) + OPJ_Sc(i + 1)) >> 1;
+                }
+            }
+            if (((height) % 2) == 0) {
+                for (c = 0; c < NB_ELTS_V8; c++) {
+                    OPJ_Dc(i) -= OPJ_Sc(i);
+                }
+            }
+            for (c = 0; c < NB_ELTS_V8; c++) {
+                OPJ_Sc(0) += (OPJ_Dc(0) + OPJ_Dc(0) + 2) >> 2;
+            }
+            for (i = 1; i < dn; i++) {
+                for (c = 0; c < NB_ELTS_V8; c++) {
+                    OPJ_Sc(i) += (OPJ_Dc(i - 1) + OPJ_Dc(i) + 2) >> 2;
+                }
+            }
+            if (((height) % 2) == 1) {
+                for (c = 0; c < NB_ELTS_V8; c++) {
+                    OPJ_Sc(i) += (OPJ_Dc(i - 1) + OPJ_Dc(i - 1) + 2) >> 2;
+                }
+            }
+        }
+    } else {
+        OPJ_UINT32 c;
+        if (height == 1) {
+            for (c = 0; c < NB_ELTS_V8; c++) {
+                OPJ_Sc(0) *= 2;
+            }
+        } else {
+            OPJ_UINT32 i;
+            for (c = 0; c < NB_ELTS_V8; c++) {
+                OPJ_Sc(0) -= OPJ_Dc(0);
+            }
+            for (i = 1; i < sn; i++) {
+                for (c = 0; c < NB_ELTS_V8; c++) {
+                    OPJ_Sc(i) -= (OPJ_Dc(i) + OPJ_Dc(i - 1)) >> 1;
+                }
+            }
+            if (((height) % 2) == 1) {
+                for (c = 0; c < NB_ELTS_V8; c++) {
+                    OPJ_Sc(i) -= OPJ_Dc(i - 1);
+                }
+            }
+            for (i = 0; i + 1 < dn; i++) {
+                for (c = 0; c < NB_ELTS_V8; c++) {
+                    OPJ_Dc(i) += (OPJ_Sc(i) + OPJ_Sc(i + 1) + 2) >> 2;
+                }
+            }
+            if (((height) % 2) == 0) {
+                for (c = 0; c < NB_ELTS_V8; c++) {
+                    OPJ_Dc(i) += (OPJ_Sc(i) + OPJ_Sc(i) + 2) >> 2;
+                }
+            }
+        }
+    }
+#endif
+
+    if (cols == NB_ELTS_V8) {
+        opj_dwt_deinterleave_v_cols(tmp, array, (OPJ_INT32)dn, (OPJ_INT32)sn,
+                                    stride_width, even ? 0 : 1, NB_ELTS_V8);
+    } else {
+        opj_dwt_deinterleave_v_cols(tmp, array, (OPJ_INT32)dn, (OPJ_INT32)sn,
+                                    stride_width, even ? 0 : 1, cols);
+    }
+}
+
+static void opj_v8dwt_encode_step1(OPJ_FLOAT32* fw,
+                                   OPJ_UINT32 end,
+                                   const OPJ_FLOAT32 cst)
+{
+    OPJ_UINT32 i;
+#ifdef __SSE__
+    __m128* vw = (__m128*) fw;
+    const __m128 vcst = _mm_set1_ps(cst);
+    for (i = 0; i < end; ++i) {
+        vw[0] = _mm_mul_ps(vw[0], vcst);
+        vw[1] = _mm_mul_ps(vw[1], vcst);
+        vw += 2 * (NB_ELTS_V8 * sizeof(OPJ_FLOAT32) / sizeof(__m128));
+    }
+#else
+    OPJ_UINT32 c;
+    for (i = 0; i < end; ++i) {
+        for (c = 0; c < NB_ELTS_V8; c++) {
+            fw[i * 2 * NB_ELTS_V8 + c] *= cst;
+        }
+    }
+#endif
+}
+
+static void opj_v8dwt_encode_step2(OPJ_FLOAT32* fl, OPJ_FLOAT32* fw,
+                                   OPJ_UINT32 end,
+                                   OPJ_UINT32 m,
+                                   OPJ_FLOAT32 cst)
+{
+    OPJ_UINT32 i;
+    OPJ_UINT32 imax = opj_uint_min(end, m);
+#ifdef __SSE__
+    __m128* vw = (__m128*) fw;
+    __m128 vcst = _mm_set1_ps(cst);
+    if (imax > 0) {
+        __m128* vl = (__m128*) fl;
+        vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(_mm_add_ps(vl[0], vw[0]), vcst));
+        vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(_mm_add_ps(vl[1], vw[1]), vcst));
+        vw += 2 * (NB_ELTS_V8 * sizeof(OPJ_FLOAT32) / sizeof(__m128));
+        i = 1;
+
+        for (; i < imax; ++i) {
+            vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(_mm_add_ps(vw[-4], vw[0]), vcst));
+            vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(_mm_add_ps(vw[-3], vw[1]), vcst));
+            vw += 2 * (NB_ELTS_V8 * sizeof(OPJ_FLOAT32) / sizeof(__m128));
+        }
+    }
+    if (m < end) {
+        assert(m + 1 == end);
+        vcst = _mm_add_ps(vcst, vcst);
+        vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(vw[-4], vcst));
+        vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(vw[-3], vcst));
+    }
+#else
+    OPJ_INT32 c;
+    if (imax > 0) {
+        for (c = 0; c < NB_ELTS_V8; c++) {
+            fw[-1 * NB_ELTS_V8 + c] += (fl[0 * NB_ELTS_V8 + c] + fw[0 * NB_ELTS_V8 + c]) *
+                                       cst;
+        }
+        fw += 2 * NB_ELTS_V8;
+        i = 1;
+        for (; i < imax; ++i) {
+            for (c = 0; c < NB_ELTS_V8; c++) {
+                fw[-1 * NB_ELTS_V8 + c] += (fw[-2 * NB_ELTS_V8 + c] + fw[0 * NB_ELTS_V8 + c]) *
+                                           cst;
+            }
+            fw += 2 * NB_ELTS_V8;
+        }
+    }
+    if (m < end) {
+        assert(m + 1 == end);
+        for (c = 0; c < NB_ELTS_V8; c++) {
+            fw[-1 * NB_ELTS_V8 + c] += (2 * fw[-2 * NB_ELTS_V8 + c]) * cst;
+        }
+    }
+#endif
+}
+
+/* Forward 9-7 transform, for the vertical pass, processing cols columns */
+/* where cols <= NB_ELTS_V8 */
+static void opj_dwt_encode_and_deinterleave_v_real(
+    void *arrayIn,
+    void *tmpIn,
+    OPJ_UINT32 height,
+    OPJ_BOOL even,
+    OPJ_UINT32 stride_width,
+    OPJ_UINT32 cols)
+{
+    OPJ_FLOAT32* OPJ_RESTRICT array = (OPJ_FLOAT32 * OPJ_RESTRICT)arrayIn;
+    OPJ_FLOAT32* OPJ_RESTRICT tmp = (OPJ_FLOAT32 * OPJ_RESTRICT)tmpIn;
+    const OPJ_INT32 sn = (OPJ_INT32)((height + (even ? 1 : 0)) >> 1);
+    const OPJ_INT32 dn = (OPJ_INT32)(height - (OPJ_UINT32)sn);
+    OPJ_INT32 a, b;
+
+    if (height == 1) {
+        return;
+    }
+
+    opj_dwt_fetch_cols_vertical_pass(arrayIn, tmpIn, height, stride_width, cols);
+
+    if (even) {
+        a = 0;
+        b = 1;
+    } else {
+        a = 1;
+        b = 0;
+    }
+    opj_v8dwt_encode_step2(tmp + a * NB_ELTS_V8,
+                           tmp + (b + 1) * NB_ELTS_V8,
+                           (OPJ_UINT32)dn,
+                           (OPJ_UINT32)opj_int_min(dn, sn - b),
+                           opj_dwt_alpha);
+    opj_v8dwt_encode_step2(tmp + b * NB_ELTS_V8,
+                           tmp + (a + 1) * NB_ELTS_V8,
+                           (OPJ_UINT32)sn,
+                           (OPJ_UINT32)opj_int_min(sn, dn - a),
+                           opj_dwt_beta);
+    opj_v8dwt_encode_step2(tmp + a * NB_ELTS_V8,
+                           tmp + (b + 1) * NB_ELTS_V8,
+                           (OPJ_UINT32)dn,
+                           (OPJ_UINT32)opj_int_min(dn, sn - b),
+                           opj_dwt_gamma);
+    opj_v8dwt_encode_step2(tmp + b * NB_ELTS_V8,
+                           tmp + (a + 1) * NB_ELTS_V8,
+                           (OPJ_UINT32)sn,
+                           (OPJ_UINT32)opj_int_min(sn, dn - a),
+                           opj_dwt_delta);
+    opj_v8dwt_encode_step1(tmp + b * NB_ELTS_V8, (OPJ_UINT32)dn,
+                           opj_K);
+    opj_v8dwt_encode_step1(tmp + a * NB_ELTS_V8, (OPJ_UINT32)sn,
+                           opj_invK);
+
+
+    if (cols == NB_ELTS_V8) {
+        opj_dwt_deinterleave_v_cols((OPJ_INT32*)tmp,
+                                    (OPJ_INT32*)array,
+                                    (OPJ_INT32)dn, (OPJ_INT32)sn,
+                                    stride_width, even ? 0 : 1, NB_ELTS_V8);
+    } else {
+        opj_dwt_deinterleave_v_cols((OPJ_INT32*)tmp,
+                                    (OPJ_INT32*)array,
+                                    (OPJ_INT32)dn, (OPJ_INT32)sn,
+                                    stride_width, even ? 0 : 1, cols);
+    }
+}
+
 
 /* <summary>                            */
 /* Forward 5-3 wavelet transform in 2-D. */
 /* </summary>                           */
-static INLINE OPJ_BOOL opj_dwt_encode_procedure(const opj_tcd_tilecomp_t * tilec,
-        void(*p_function)(OPJ_INT32 *, OPJ_SIZE_T, OPJ_INT32, OPJ_INT32, OPJ_INT32))
+static INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_thread_pool_t* tp,
+        opj_tcd_tilecomp_t * tilec,
+        opj_encode_and_deinterleave_v_fnptr_type p_encode_and_deinterleave_v,
+        opj_encode_and_deinterleave_h_one_row_fnptr_type
+        p_encode_and_deinterleave_h_one_row)
 {
-    OPJ_INT32 i, j, k;
-    OPJ_INT32 *a = 00;
-    OPJ_INT32 *aj = 00;
+    OPJ_INT32 i;
     OPJ_INT32 *bj = 00;
-    OPJ_INT32 w, l;
+    OPJ_UINT32 w;
+    OPJ_INT32 l;
 
-    OPJ_INT32 rw;           /* width of the resolution level computed   */
-    OPJ_INT32 rh;           /* height of the resolution level computed  */
-    OPJ_SIZE_T l_data_count;
     OPJ_SIZE_T l_data_size;
 
     opj_tcd_resolution_t * l_cur_res = 0;
     opj_tcd_resolution_t * l_last_res = 0;
+    const int num_threads = opj_thread_pool_get_thread_count(tp);
+    OPJ_INT32 * OPJ_RESTRICT tiledp = tilec->data;
 
-    w = tilec->x1 - tilec->x0;
+    w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
     l = (OPJ_INT32)tilec->numresolutions - 1;
-    a = tilec->data;
 
     l_cur_res = tilec->resolutions + l;
     l_last_res = l_cur_res - 1;
 
-    l_data_count = opj_dwt_max_resolution(tilec->resolutions, tilec->numresolutions);
+    l_data_size = opj_dwt_max_resolution(tilec->resolutions, tilec->numresolutions);
     /* overflow check */
-    if (l_data_count > (SIZE_MAX / sizeof(OPJ_INT32))) {
+    if (l_data_size > (SIZE_MAX / (NB_ELTS_V8 * sizeof(OPJ_INT32)))) {
         /* FIXME event manager error callback */
         return OPJ_FALSE;
     }
-    l_data_size = l_data_count * sizeof(OPJ_INT32);
-    bj = (OPJ_INT32*)opj_malloc(l_data_size);
+    l_data_size *= NB_ELTS_V8 * sizeof(OPJ_INT32);
+    bj = (OPJ_INT32*)opj_aligned_32_malloc(l_data_size);
     /* l_data_size is equal to 0 when numresolutions == 1 but bj is not used */
     /* in that case, so do not error out */
     if (l_data_size != 0 && ! bj) {
@@ -1151,43 +1759,135 @@
     i = l;
 
     while (i--) {
-        OPJ_INT32 rw1;      /* width of the resolution level once lower than computed one                                       */
-        OPJ_INT32 rh1;      /* height of the resolution level once lower than computed one                                      */
+        OPJ_UINT32 j;
+        OPJ_UINT32 rw;           /* width of the resolution level computed   */
+        OPJ_UINT32 rh;           /* height of the resolution level computed  */
+        OPJ_UINT32
+        rw1;      /* width of the resolution level once lower than computed one                                       */
+        OPJ_UINT32
+        rh1;      /* height of the resolution level once lower than computed one                                      */
         OPJ_INT32 cas_col;  /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
         OPJ_INT32 cas_row;  /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering   */
         OPJ_INT32 dn, sn;
 
-        rw  = l_cur_res->x1 - l_cur_res->x0;
-        rh  = l_cur_res->y1 - l_cur_res->y0;
-        rw1 = l_last_res->x1 - l_last_res->x0;
-        rh1 = l_last_res->y1 - l_last_res->y0;
+        rw  = (OPJ_UINT32)(l_cur_res->x1 - l_cur_res->x0);
+        rh  = (OPJ_UINT32)(l_cur_res->y1 - l_cur_res->y0);
+        rw1 = (OPJ_UINT32)(l_last_res->x1 - l_last_res->x0);
+        rh1 = (OPJ_UINT32)(l_last_res->y1 - l_last_res->y0);
 
         cas_row = l_cur_res->x0 & 1;
         cas_col = l_cur_res->y0 & 1;
 
-        sn = rh1;
-        dn = rh - rh1;
-        for (j = 0; j < rw; ++j) {
-            aj = a + j;
-            for (k = 0; k < rh; ++k) {
-                bj[k] = aj[k * w];
+        sn = (OPJ_INT32)rh1;
+        dn = (OPJ_INT32)(rh - rh1);
+
+        /* Perform vertical pass */
+        if (num_threads <= 1 || rw < 2 * NB_ELTS_V8) {
+            for (j = 0; j + NB_ELTS_V8 - 1 < rw; j += NB_ELTS_V8) {
+                p_encode_and_deinterleave_v(tiledp + j,
+                                            bj,
+                                            rh,
+                                            cas_col == 0,
+                                            w,
+                                            NB_ELTS_V8);
             }
+            if (j < rw) {
+                p_encode_and_deinterleave_v(tiledp + j,
+                                            bj,
+                                            rh,
+                                            cas_col == 0,
+                                            w,
+                                            rw - j);
+            }
+        }  else {
+            OPJ_UINT32 num_jobs = (OPJ_UINT32)num_threads;
+            OPJ_UINT32 step_j;
 
-            (*p_function) (bj, l_data_count, dn, sn, cas_col);
+            if (rw < num_jobs) {
+                num_jobs = rw;
+            }
+            step_j = ((rw / num_jobs) / NB_ELTS_V8) * NB_ELTS_V8;
 
-            opj_dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
+            for (j = 0; j < num_jobs; j++) {
+                opj_dwt_encode_v_job_t* job;
+
+                job = (opj_dwt_encode_v_job_t*) opj_malloc(sizeof(opj_dwt_encode_v_job_t));
+                if (!job) {
+                    opj_thread_pool_wait_completion(tp, 0);
+                    opj_aligned_free(bj);
+                    return OPJ_FALSE;
+                }
+                job->v.mem = (OPJ_INT32*)opj_aligned_32_malloc(l_data_size);
+                if (!job->v.mem) {
+                    opj_thread_pool_wait_completion(tp, 0);
+                    opj_free(job);
+                    opj_aligned_free(bj);
+                    return OPJ_FALSE;
+                }
+                job->v.dn = dn;
+                job->v.sn = sn;
+                job->v.cas = cas_col;
+                job->rh = rh;
+                job->w = w;
+                job->tiledp = tiledp;
+                job->min_j = j * step_j;
+                job->max_j = (j + 1 == num_jobs) ? rw : (j + 1) * step_j;
+                job->p_encode_and_deinterleave_v = p_encode_and_deinterleave_v;
+                opj_thread_pool_submit_job(tp, opj_dwt_encode_v_func, job);
+            }
+            opj_thread_pool_wait_completion(tp, 0);
         }
 
-        sn = rw1;
-        dn = rw - rw1;
+        sn = (OPJ_INT32)rw1;
+        dn = (OPJ_INT32)(rw - rw1);
 
-        for (j = 0; j < rh; j++) {
-            aj = a + j * w;
-            for (k = 0; k < rw; k++) {
-                bj[k] = aj[k];
+        /* Perform horizontal pass */
+        if (num_threads <= 1 || rh <= 1) {
+            for (j = 0; j < rh; j++) {
+                OPJ_INT32* OPJ_RESTRICT aj = tiledp + j * w;
+                (*p_encode_and_deinterleave_h_one_row)(aj, bj, rw,
+                                                       cas_row == 0 ? OPJ_TRUE : OPJ_FALSE);
             }
-            (*p_function) (bj, l_data_count, dn, sn, cas_row);
-            opj_dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
+        }  else {
+            OPJ_UINT32 num_jobs = (OPJ_UINT32)num_threads;
+            OPJ_UINT32 step_j;
+
+            if (rh < num_jobs) {
+                num_jobs = rh;
+            }
+            step_j = (rh / num_jobs);
+
+            for (j = 0; j < num_jobs; j++) {
+                opj_dwt_encode_h_job_t* job;
+
+                job = (opj_dwt_encode_h_job_t*) opj_malloc(sizeof(opj_dwt_encode_h_job_t));
+                if (!job) {
+                    opj_thread_pool_wait_completion(tp, 0);
+                    opj_aligned_free(bj);
+                    return OPJ_FALSE;
+                }
+                job->h.mem = (OPJ_INT32*)opj_aligned_32_malloc(l_data_size);
+                if (!job->h.mem) {
+                    opj_thread_pool_wait_completion(tp, 0);
+                    opj_free(job);
+                    opj_aligned_free(bj);
+                    return OPJ_FALSE;
+                }
+                job->h.dn = dn;
+                job->h.sn = sn;
+                job->h.cas = cas_row;
+                job->rw = rw;
+                job->w = w;
+                job->tiledp = tiledp;
+                job->min_j = j * step_j;
+                job->max_j = (j + 1U) * step_j; /* this can overflow */
+                if (j == (num_jobs - 1U)) {  /* this will take care of the overflow */
+                    job->max_j = rh;
+                }
+                job->p_function = p_encode_and_deinterleave_h_one_row;
+                opj_thread_pool_submit_job(tp, opj_dwt_encode_h_func, job);
+            }
+            opj_thread_pool_wait_completion(tp, 0);
         }
 
         l_cur_res = l_last_res;
@@ -1195,15 +1895,18 @@
         --l_last_res;
     }
 
-    opj_free(bj);
+    opj_aligned_free(bj);
     return OPJ_TRUE;
 }
 
 /* Forward 5-3 wavelet transform in 2-D. */
 /* </summary>                           */
-OPJ_BOOL opj_dwt_encode(opj_tcd_tilecomp_t * tilec)
+OPJ_BOOL opj_dwt_encode(opj_tcd_t *p_tcd,
+                        opj_tcd_tilecomp_t * tilec)
 {
-    return opj_dwt_encode_procedure(tilec, opj_dwt_encode_1);
+    return opj_dwt_encode_procedure(p_tcd->thread_pool, tilec,
+                                    opj_dwt_encode_and_deinterleave_v,
+                                    opj_dwt_encode_and_deinterleave_h_one_row);
 }
 
 /* <summary>                            */
@@ -1219,21 +1922,6 @@
     }
 }
 
-
-/* <summary>                          */
-/* Get gain of 5-3 wavelet transform. */
-/* </summary>                         */
-OPJ_UINT32 opj_dwt_getgain(OPJ_UINT32 orient)
-{
-    if (orient == 0) {
-        return 0;
-    }
-    if (orient == 1 || orient == 2) {
-        return 1;
-    }
-    return 2;
-}
-
 /* <summary>                */
 /* Get norm of 5-3 wavelet. */
 /* </summary>               */
@@ -1253,18 +1941,12 @@
 /* <summary>                             */
 /* Forward 9-7 wavelet transform in 2-D. */
 /* </summary>                            */
-OPJ_BOOL opj_dwt_encode_real(opj_tcd_tilecomp_t * tilec)
+OPJ_BOOL opj_dwt_encode_real(opj_tcd_t *p_tcd,
+                             opj_tcd_tilecomp_t * tilec)
 {
-    return opj_dwt_encode_procedure(tilec, opj_dwt_encode_1_real);
-}
-
-/* <summary>                          */
-/* Get gain of 9-7 wavelet transform. */
-/* </summary>                         */
-OPJ_UINT32 opj_dwt_getgain_real(OPJ_UINT32 orient)
-{
-    (void)orient;
-    return 0;
+    return opj_dwt_encode_procedure(p_tcd->thread_pool, tilec,
+                                    opj_dwt_encode_and_deinterleave_v_real,
+                                    opj_dwt_encode_and_deinterleave_h_one_row_real);
 }
 
 /* <summary>                */
@@ -1299,7 +1981,7 @@
         if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
             stepsize = 1.0;
         } else {
-            OPJ_FLOAT64 norm = opj_dwt_norms_real[orient][level];
+            OPJ_FLOAT64 norm = opj_dwt_getnorm_real(level, orient);
             stepsize = (1 << (gain)) / norm;
         }
         opj_dwt_encode_stepsize((OPJ_INT32) floor(stepsize * 8192.0),
@@ -1334,15 +2016,15 @@
     OPJ_INT32 * OPJ_RESTRICT tiledp;
     OPJ_UINT32 min_j;
     OPJ_UINT32 max_j;
-} opj_dwd_decode_h_job_t;
+} opj_dwt_decode_h_job_t;
 
 static void opj_dwt_decode_h_func(void* user_data, opj_tls_t* tls)
 {
     OPJ_UINT32 j;
-    opj_dwd_decode_h_job_t* job;
+    opj_dwt_decode_h_job_t* job;
     (void)tls;
 
-    job = (opj_dwd_decode_h_job_t*)user_data;
+    job = (opj_dwt_decode_h_job_t*)user_data;
     for (j = job->min_j; j < job->max_j; j++) {
         opj_idwt53_h(&job->h, &job->tiledp[j * job->w]);
     }
@@ -1358,15 +2040,15 @@
     OPJ_INT32 * OPJ_RESTRICT tiledp;
     OPJ_UINT32 min_j;
     OPJ_UINT32 max_j;
-} opj_dwd_decode_v_job_t;
+} opj_dwt_decode_v_job_t;
 
 static void opj_dwt_decode_v_func(void* user_data, opj_tls_t* tls)
 {
     OPJ_UINT32 j;
-    opj_dwd_decode_v_job_t* job;
+    opj_dwt_decode_v_job_t* job;
     (void)tls;
 
-    job = (opj_dwd_decode_v_job_t*)user_data;
+    job = (opj_dwt_decode_v_job_t*)user_data;
     for (j = job->min_j; j + PARALLEL_COLS_53 <= job->max_j;
             j += PARALLEL_COLS_53) {
         opj_idwt53_v(&job->v, &job->tiledp[j], (OPJ_SIZE_T)job->w,
@@ -1454,9 +2136,9 @@
             step_j = (rh / num_jobs);
 
             for (j = 0; j < num_jobs; j++) {
-                opj_dwd_decode_h_job_t* job;
+                opj_dwt_decode_h_job_t* job;
 
-                job = (opj_dwd_decode_h_job_t*) opj_malloc(sizeof(opj_dwd_decode_h_job_t));
+                job = (opj_dwt_decode_h_job_t*) opj_malloc(sizeof(opj_dwt_decode_h_job_t));
                 if (!job) {
                     /* It would be nice to fallback to single thread case, but */
                     /* unfortunately some jobs may be launched and have modified */
@@ -1509,9 +2191,9 @@
             step_j = (rw / num_jobs);
 
             for (j = 0; j < num_jobs; j++) {
-                opj_dwd_decode_v_job_t* job;
+                opj_dwt_decode_v_job_t* job;
 
-                job = (opj_dwd_decode_v_job_t*) opj_malloc(sizeof(opj_dwd_decode_v_job_t));
+                job = (opj_dwt_decode_v_job_t*) opj_malloc(sizeof(opj_dwt_decode_v_job_t));
                 if (!job) {
                     /* It would be nice to fallback to single thread case, but */
                     /* unfortunately some jobs may be launched and have modified */
@@ -2177,7 +2859,7 @@
     return OPJ_TRUE;
 }
 
-static void opj_v4dwt_interleave_h(opj_v4dwt_t* OPJ_RESTRICT dwt,
+static void opj_v8dwt_interleave_h(opj_v8dwt_t* OPJ_RESTRICT dwt,
                                    OPJ_FLOAT32* OPJ_RESTRICT a,
                                    OPJ_UINT32 width,
                                    OPJ_UINT32 remaining_height)
@@ -2188,39 +2870,69 @@
     OPJ_UINT32 x1 = dwt->win_l_x1;
 
     for (k = 0; k < 2; ++k) {
-        if (remaining_height >= 4 && ((OPJ_SIZE_T) a & 0x0f) == 0 &&
-                ((OPJ_SIZE_T) bi & 0x0f) == 0 && (width & 0x0f) == 0) {
+        if (remaining_height >= NB_ELTS_V8 && ((OPJ_SIZE_T) a & 0x0f) == 0 &&
+                ((OPJ_SIZE_T) bi & 0x0f) == 0) {
             /* Fast code path */
             for (i = x0; i < x1; ++i) {
                 OPJ_UINT32 j = i;
-                bi[i * 8    ] = a[j];
+                OPJ_FLOAT32* OPJ_RESTRICT dst = bi + i * 2 * NB_ELTS_V8;
+                dst[0] = a[j];
                 j += width;
-                bi[i * 8 + 1] = a[j];
+                dst[1] = a[j];
                 j += width;
-                bi[i * 8 + 2] = a[j];
+                dst[2] = a[j];
                 j += width;
-                bi[i * 8 + 3] = a[j];
+                dst[3] = a[j];
+                j += width;
+                dst[4] = a[j];
+                j += width;
+                dst[5] = a[j];
+                j += width;
+                dst[6] = a[j];
+                j += width;
+                dst[7] = a[j];
             }
         } else {
             /* Slow code path */
             for (i = x0; i < x1; ++i) {
                 OPJ_UINT32 j = i;
-                bi[i * 8    ] = a[j];
+                OPJ_FLOAT32* OPJ_RESTRICT dst = bi + i * 2 * NB_ELTS_V8;
+                dst[0] = a[j];
                 j += width;
                 if (remaining_height == 1) {
                     continue;
                 }
-                bi[i * 8 + 1] = a[j];
+                dst[1] = a[j];
                 j += width;
                 if (remaining_height == 2) {
                     continue;
                 }
-                bi[i * 8 + 2] = a[j];
+                dst[2] = a[j];
                 j += width;
                 if (remaining_height == 3) {
                     continue;
                 }
-                bi[i * 8 + 3] = a[j]; /* This one*/
+                dst[3] = a[j];
+                j += width;
+                if (remaining_height == 4) {
+                    continue;
+                }
+                dst[4] = a[j];
+                j += width;
+                if (remaining_height == 5) {
+                    continue;
+                }
+                dst[5] = a[j];
+                j += width;
+                if (remaining_height == 6) {
+                    continue;
+                }
+                dst[6] = a[j];
+                j += width;
+                if (remaining_height == 7) {
+                    continue;
+                }
+                dst[7] = a[j];
             }
         }
 
@@ -2231,7 +2943,7 @@
     }
 }
 
-static void opj_v4dwt_interleave_partial_h(opj_v4dwt_t* dwt,
+static void opj_v8dwt_interleave_partial_h(opj_v8dwt_t* dwt,
         opj_sparse_array_int32_t* sa,
         OPJ_UINT32 sa_line,
         OPJ_UINT32 remaining_height)
@@ -2244,25 +2956,25 @@
                                           dwt->win_l_x1, sa_line + i + 1,
                                           /* Nasty cast from float* to int32* */
                                           (OPJ_INT32*)(dwt->wavelet + dwt->cas + 2 * dwt->win_l_x0) + i,
-                                          8, 0, OPJ_TRUE);
+                                          2 * NB_ELTS_V8, 0, OPJ_TRUE);
         assert(ret);
         ret = opj_sparse_array_int32_read(sa,
                                           (OPJ_UINT32)dwt->sn + dwt->win_h_x0, sa_line + i,
                                           (OPJ_UINT32)dwt->sn + dwt->win_h_x1, sa_line + i + 1,
                                           /* Nasty cast from float* to int32* */
                                           (OPJ_INT32*)(dwt->wavelet + 1 - dwt->cas + 2 * dwt->win_h_x0) + i,
-                                          8, 0, OPJ_TRUE);
+                                          2 * NB_ELTS_V8, 0, OPJ_TRUE);
         assert(ret);
         OPJ_UNUSED(ret);
     }
 }
 
-static void opj_v4dwt_interleave_v(opj_v4dwt_t* OPJ_RESTRICT dwt,
-                                   OPJ_FLOAT32* OPJ_RESTRICT a,
-                                   OPJ_UINT32 width,
-                                   OPJ_UINT32 nb_elts_read)
+static INLINE void opj_v8dwt_interleave_v(opj_v8dwt_t* OPJ_RESTRICT dwt,
+        OPJ_FLOAT32* OPJ_RESTRICT a,
+        OPJ_UINT32 width,
+        OPJ_UINT32 nb_elts_read)
 {
-    opj_v4_t* OPJ_RESTRICT bi = dwt->wavelet + dwt->cas;
+    opj_v8_t* OPJ_RESTRICT bi = dwt->wavelet + dwt->cas;
     OPJ_UINT32 i;
 
     for (i = dwt->win_l_x0; i < dwt->win_l_x1; ++i) {
@@ -2279,7 +2991,7 @@
     }
 }
 
-static void opj_v4dwt_interleave_partial_v(opj_v4dwt_t* OPJ_RESTRICT dwt,
+static void opj_v8dwt_interleave_partial_v(opj_v8dwt_t* OPJ_RESTRICT dwt,
         opj_sparse_array_int32_t* sa,
         OPJ_UINT32 sa_col,
         OPJ_UINT32 nb_elts_read)
@@ -2289,44 +3001,36 @@
                                       sa_col, dwt->win_l_x0,
                                       sa_col + nb_elts_read, dwt->win_l_x1,
                                       (OPJ_INT32*)(dwt->wavelet + dwt->cas + 2 * dwt->win_l_x0),
-                                      1, 8, OPJ_TRUE);
+                                      1, 2 * NB_ELTS_V8, OPJ_TRUE);
     assert(ret);
     ret = opj_sparse_array_int32_read(sa,
                                       sa_col, (OPJ_UINT32)dwt->sn + dwt->win_h_x0,
                                       sa_col + nb_elts_read, (OPJ_UINT32)dwt->sn + dwt->win_h_x1,
                                       (OPJ_INT32*)(dwt->wavelet + 1 - dwt->cas + 2 * dwt->win_h_x0),
-                                      1, 8, OPJ_TRUE);
+                                      1, 2 * NB_ELTS_V8, OPJ_TRUE);
     assert(ret);
     OPJ_UNUSED(ret);
 }
 
 #ifdef __SSE__
 
-static void opj_v4dwt_decode_step1_sse(opj_v4_t* w,
+static void opj_v8dwt_decode_step1_sse(opj_v8_t* w,
                                        OPJ_UINT32 start,
                                        OPJ_UINT32 end,
                                        const __m128 c)
 {
     __m128* OPJ_RESTRICT vw = (__m128*) w;
-    OPJ_UINT32 i;
-    /* 4x unrolled loop */
-    vw += 2 * start;
-    for (i = start; i + 3 < end; i += 4, vw += 8) {
-        __m128 xmm0 = _mm_mul_ps(vw[0], c);
-        __m128 xmm2 = _mm_mul_ps(vw[2], c);
-        __m128 xmm4 = _mm_mul_ps(vw[4], c);
-        __m128 xmm6 = _mm_mul_ps(vw[6], c);
-        vw[0] = xmm0;
-        vw[2] = xmm2;
-        vw[4] = xmm4;
-        vw[6] = xmm6;
-    }
-    for (; i < end; ++i, vw += 2) {
+    OPJ_UINT32 i = start;
+    /* To be adapted if NB_ELTS_V8 changes */
+    vw += 4 * start;
+    /* Note: attempt at loop unrolling x2 doesn't help */
+    for (; i < end; ++i, vw += 4) {
         vw[0] = _mm_mul_ps(vw[0], c);
+        vw[1] = _mm_mul_ps(vw[1], c);
     }
 }
 
-static void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w,
+static void opj_v8dwt_decode_step2_sse(opj_v8_t* l, opj_v8_t* w,
                                        OPJ_UINT32 start,
                                        OPJ_UINT32 end,
                                        OPJ_UINT32 m,
@@ -2334,74 +3038,58 @@
 {
     __m128* OPJ_RESTRICT vl = (__m128*) l;
     __m128* OPJ_RESTRICT vw = (__m128*) w;
+    /* To be adapted if NB_ELTS_V8 changes */
     OPJ_UINT32 i;
     OPJ_UINT32 imax = opj_uint_min(end, m);
-    __m128 tmp1, tmp2, tmp3;
     if (start == 0) {
-        tmp1 = vl[0];
+        if (imax >= 1) {
+            vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(_mm_add_ps(vl[0], vw[0]), c));
+            vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(_mm_add_ps(vl[1], vw[1]), c));
+            vw += 4;
+            start = 1;
+        }
     } else {
-        vw += start * 2;
-        tmp1 = vw[-3];
+        vw += start * 4;
     }
 
     i = start;
-
-    /* 4x loop unrolling */
-    for (; i + 3 < imax; i += 4) {
-        __m128 tmp4, tmp5, tmp6, tmp7, tmp8, tmp9;
-        tmp2 = vw[-1];
-        tmp3 = vw[ 0];
-        tmp4 = vw[ 1];
-        tmp5 = vw[ 2];
-        tmp6 = vw[ 3];
-        tmp7 = vw[ 4];
-        tmp8 = vw[ 5];
-        tmp9 = vw[ 6];
-        vw[-1] = _mm_add_ps(tmp2, _mm_mul_ps(_mm_add_ps(tmp1, tmp3), c));
-        vw[ 1] = _mm_add_ps(tmp4, _mm_mul_ps(_mm_add_ps(tmp3, tmp5), c));
-        vw[ 3] = _mm_add_ps(tmp6, _mm_mul_ps(_mm_add_ps(tmp5, tmp7), c));
-        vw[ 5] = _mm_add_ps(tmp8, _mm_mul_ps(_mm_add_ps(tmp7, tmp9), c));
-        tmp1 = tmp9;
-        vw += 8;
-    }
-
+    /* Note: attempt at loop unrolling x2 doesn't help */
     for (; i < imax; ++i) {
-        tmp2 = vw[-1];
-        tmp3 = vw[ 0];
-        vw[-1] = _mm_add_ps(tmp2, _mm_mul_ps(_mm_add_ps(tmp1, tmp3), c));
-        tmp1 = tmp3;
-        vw += 2;
+        vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(_mm_add_ps(vw[-4], vw[0]), c));
+        vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(_mm_add_ps(vw[-3], vw[1]), c));
+        vw += 4;
     }
     if (m < end) {
         assert(m + 1 == end);
         c = _mm_add_ps(c, c);
-        c = _mm_mul_ps(c, vw[-2]);
-        vw[-1] = _mm_add_ps(vw[-1], c);
+        vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(c, vw[-4]));
+        vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(c, vw[-3]));
     }
 }
 
 #else
 
-static void opj_v4dwt_decode_step1(opj_v4_t* w,
+static void opj_v8dwt_decode_step1(opj_v8_t* w,
                                    OPJ_UINT32 start,
                                    OPJ_UINT32 end,
                                    const OPJ_FLOAT32 c)
 {
     OPJ_FLOAT32* OPJ_RESTRICT fw = (OPJ_FLOAT32*) w;
     OPJ_UINT32 i;
+    /* To be adapted if NB_ELTS_V8 changes */
     for (i = start; i < end; ++i) {
-        OPJ_FLOAT32 tmp1 = fw[i * 8    ];
-        OPJ_FLOAT32 tmp2 = fw[i * 8 + 1];
-        OPJ_FLOAT32 tmp3 = fw[i * 8 + 2];
-        OPJ_FLOAT32 tmp4 = fw[i * 8 + 3];
-        fw[i * 8    ] = tmp1 * c;
-        fw[i * 8 + 1] = tmp2 * c;
-        fw[i * 8 + 2] = tmp3 * c;
-        fw[i * 8 + 3] = tmp4 * c;
+        fw[i * 2 * 8    ] = fw[i * 2 * 8    ] * c;
+        fw[i * 2 * 8 + 1] = fw[i * 2 * 8 + 1] * c;
+        fw[i * 2 * 8 + 2] = fw[i * 2 * 8 + 2] * c;
+        fw[i * 2 * 8 + 3] = fw[i * 2 * 8 + 3] * c;
+        fw[i * 2 * 8 + 4] = fw[i * 2 * 8 + 4] * c;
+        fw[i * 2 * 8 + 5] = fw[i * 2 * 8 + 5] * c;
+        fw[i * 2 * 8 + 6] = fw[i * 2 * 8 + 6] * c;
+        fw[i * 2 * 8 + 7] = fw[i * 2 * 8 + 7] * c;
     }
 }
 
-static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w,
+static void opj_v8dwt_decode_step2(opj_v8_t* l, opj_v8_t* w,
                                    OPJ_UINT32 start,
                                    OPJ_UINT32 end,
                                    OPJ_UINT32 m,
@@ -2412,36 +3100,33 @@
     OPJ_UINT32 i;
     OPJ_UINT32 imax = opj_uint_min(end, m);
     if (start > 0) {
-        fw += 8 * start;
-        fl = fw - 8;
+        fw += 2 * NB_ELTS_V8 * start;
+        fl = fw - 2 * NB_ELTS_V8;
     }
+    /* To be adapted if NB_ELTS_V8 changes */
     for (i = start; i < imax; ++i) {
-        OPJ_FLOAT32 tmp1_1 = fl[0];
-        OPJ_FLOAT32 tmp1_2 = fl[1];
-        OPJ_FLOAT32 tmp1_3 = fl[2];
-        OPJ_FLOAT32 tmp1_4 = fl[3];
-        OPJ_FLOAT32 tmp2_1 = fw[-4];
-        OPJ_FLOAT32 tmp2_2 = fw[-3];
-        OPJ_FLOAT32 tmp2_3 = fw[-2];
-        OPJ_FLOAT32 tmp2_4 = fw[-1];
-        OPJ_FLOAT32 tmp3_1 = fw[0];
-        OPJ_FLOAT32 tmp3_2 = fw[1];
-        OPJ_FLOAT32 tmp3_3 = fw[2];
-        OPJ_FLOAT32 tmp3_4 = fw[3];
-        fw[-4] = tmp2_1 + ((tmp1_1 + tmp3_1) * c);
-        fw[-3] = tmp2_2 + ((tmp1_2 + tmp3_2) * c);
-        fw[-2] = tmp2_3 + ((tmp1_3 + tmp3_3) * c);
-        fw[-1] = tmp2_4 + ((tmp1_4 + tmp3_4) * c);
+        fw[-8] = fw[-8] + ((fl[0] + fw[0]) * c);
+        fw[-7] = fw[-7] + ((fl[1] + fw[1]) * c);
+        fw[-6] = fw[-6] + ((fl[2] + fw[2]) * c);
+        fw[-5] = fw[-5] + ((fl[3] + fw[3]) * c);
+        fw[-4] = fw[-4] + ((fl[4] + fw[4]) * c);
+        fw[-3] = fw[-3] + ((fl[5] + fw[5]) * c);
+        fw[-2] = fw[-2] + ((fl[6] + fw[6]) * c);
+        fw[-1] = fw[-1] + ((fl[7] + fw[7]) * c);
         fl = fw;
-        fw += 8;
+        fw += 2 * NB_ELTS_V8;
     }
     if (m < end) {
         assert(m + 1 == end);
         c += c;
-        fw[-4] = fw[-4] + fl[0] * c;
-        fw[-3] = fw[-3] + fl[1] * c;
-        fw[-2] = fw[-2] + fl[2] * c;
-        fw[-1] = fw[-1] + fl[3] * c;
+        fw[-8] = fw[-8] + fl[0] * c;
+        fw[-7] = fw[-7] + fl[1] * c;
+        fw[-6] = fw[-6] + fl[2] * c;
+        fw[-5] = fw[-5] + fl[3] * c;
+        fw[-4] = fw[-4] + fl[4] * c;
+        fw[-3] = fw[-3] + fl[5] * c;
+        fw[-2] = fw[-2] + fl[6] * c;
+        fw[-1] = fw[-1] + fl[7] * c;
     }
 }
 
@@ -2450,9 +3135,17 @@
 /* <summary>                             */
 /* Inverse 9-7 wavelet transform in 1-D. */
 /* </summary>                            */
-static void opj_v4dwt_decode(opj_v4dwt_t* OPJ_RESTRICT dwt)
+static void opj_v8dwt_decode(opj_v8dwt_t* OPJ_RESTRICT dwt)
 {
     OPJ_INT32 a, b;
+    /* BUG_WEIRD_TWO_INVK (look for this identifier in tcd.c) */
+    /* Historic value for 2 / opj_invK */
+    /* Normally, we should use invK, but if we do so, we have failures in the */
+    /* conformance test, due to MSE and peak errors significantly higher than */
+    /* accepted value */
+    /* Due to using two_invK instead of invK, we have to compensate in tcd.c */
+    /* the computation of the stepsize for the non LL subbands */
+    const float two_invK = 1.625732422f;
     if (dwt->cas == 0) {
         if (!((dwt->dn > 0) || (dwt->sn > 1))) {
             return;
@@ -2467,60 +3160,147 @@
         b = 0;
     }
 #ifdef __SSE__
-    opj_v4dwt_decode_step1_sse(dwt->wavelet + a, dwt->win_l_x0, dwt->win_l_x1,
+    opj_v8dwt_decode_step1_sse(dwt->wavelet + a, dwt->win_l_x0, dwt->win_l_x1,
                                _mm_set1_ps(opj_K));
-    opj_v4dwt_decode_step1_sse(dwt->wavelet + b, dwt->win_h_x0, dwt->win_h_x1,
-                               _mm_set1_ps(opj_c13318));
-    opj_v4dwt_decode_step2_sse(dwt->wavelet + b, dwt->wavelet + a + 1,
+    opj_v8dwt_decode_step1_sse(dwt->wavelet + b, dwt->win_h_x0, dwt->win_h_x1,
+                               _mm_set1_ps(two_invK));
+    opj_v8dwt_decode_step2_sse(dwt->wavelet + b, dwt->wavelet + a + 1,
                                dwt->win_l_x0, dwt->win_l_x1,
                                (OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
-                               _mm_set1_ps(opj_dwt_delta));
-    opj_v4dwt_decode_step2_sse(dwt->wavelet + a, dwt->wavelet + b + 1,
+                               _mm_set1_ps(-opj_dwt_delta));
+    opj_v8dwt_decode_step2_sse(dwt->wavelet + a, dwt->wavelet + b + 1,
                                dwt->win_h_x0, dwt->win_h_x1,
                                (OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
-                               _mm_set1_ps(opj_dwt_gamma));
-    opj_v4dwt_decode_step2_sse(dwt->wavelet + b, dwt->wavelet + a + 1,
+                               _mm_set1_ps(-opj_dwt_gamma));
+    opj_v8dwt_decode_step2_sse(dwt->wavelet + b, dwt->wavelet + a + 1,
                                dwt->win_l_x0, dwt->win_l_x1,
                                (OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
-                               _mm_set1_ps(opj_dwt_beta));
-    opj_v4dwt_decode_step2_sse(dwt->wavelet + a, dwt->wavelet + b + 1,
+                               _mm_set1_ps(-opj_dwt_beta));
+    opj_v8dwt_decode_step2_sse(dwt->wavelet + a, dwt->wavelet + b + 1,
                                dwt->win_h_x0, dwt->win_h_x1,
                                (OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
-                               _mm_set1_ps(opj_dwt_alpha));
+                               _mm_set1_ps(-opj_dwt_alpha));
 #else
-    opj_v4dwt_decode_step1(dwt->wavelet + a, dwt->win_l_x0, dwt->win_l_x1,
+    opj_v8dwt_decode_step1(dwt->wavelet + a, dwt->win_l_x0, dwt->win_l_x1,
                            opj_K);
-    opj_v4dwt_decode_step1(dwt->wavelet + b, dwt->win_h_x0, dwt->win_h_x1,
-                           opj_c13318);
-    opj_v4dwt_decode_step2(dwt->wavelet + b, dwt->wavelet + a + 1,
+    opj_v8dwt_decode_step1(dwt->wavelet + b, dwt->win_h_x0, dwt->win_h_x1,
+                           two_invK);
+    opj_v8dwt_decode_step2(dwt->wavelet + b, dwt->wavelet + a + 1,
                            dwt->win_l_x0, dwt->win_l_x1,
                            (OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
-                           opj_dwt_delta);
-    opj_v4dwt_decode_step2(dwt->wavelet + a, dwt->wavelet + b + 1,
+                           -opj_dwt_delta);
+    opj_v8dwt_decode_step2(dwt->wavelet + a, dwt->wavelet + b + 1,
                            dwt->win_h_x0, dwt->win_h_x1,
                            (OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
-                           opj_dwt_gamma);
-    opj_v4dwt_decode_step2(dwt->wavelet + b, dwt->wavelet + a + 1,
+                           -opj_dwt_gamma);
+    opj_v8dwt_decode_step2(dwt->wavelet + b, dwt->wavelet + a + 1,
                            dwt->win_l_x0, dwt->win_l_x1,
                            (OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
-                           opj_dwt_beta);
-    opj_v4dwt_decode_step2(dwt->wavelet + a, dwt->wavelet + b + 1,
+                           -opj_dwt_beta);
+    opj_v8dwt_decode_step2(dwt->wavelet + a, dwt->wavelet + b + 1,
                            dwt->win_h_x0, dwt->win_h_x1,
                            (OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
-                           opj_dwt_alpha);
+                           -opj_dwt_alpha);
 #endif
 }
 
+typedef struct {
+    opj_v8dwt_t h;
+    OPJ_UINT32 rw;
+    OPJ_UINT32 w;
+    OPJ_FLOAT32 * OPJ_RESTRICT aj;
+    OPJ_UINT32 nb_rows;
+} opj_dwt97_decode_h_job_t;
+
+static void opj_dwt97_decode_h_func(void* user_data, opj_tls_t* tls)
+{
+    OPJ_UINT32 j;
+    opj_dwt97_decode_h_job_t* job;
+    OPJ_FLOAT32 * OPJ_RESTRICT aj;
+    OPJ_UINT32 w;
+    (void)tls;
+
+    job = (opj_dwt97_decode_h_job_t*)user_data;
+    w = job->w;
+
+    assert((job->nb_rows % NB_ELTS_V8) == 0);
+
+    aj = job->aj;
+    for (j = 0; j + NB_ELTS_V8 <= job->nb_rows; j += NB_ELTS_V8) {
+        OPJ_UINT32 k;
+        opj_v8dwt_interleave_h(&job->h, aj, job->w, NB_ELTS_V8);
+        opj_v8dwt_decode(&job->h);
+
+        /* To be adapted if NB_ELTS_V8 changes */
+        for (k = 0; k < job->rw; k++) {
+            aj[k      ] = job->h.wavelet[k].f[0];
+            aj[k + (OPJ_SIZE_T)w  ] = job->h.wavelet[k].f[1];
+            aj[k + (OPJ_SIZE_T)w * 2] = job->h.wavelet[k].f[2];
+            aj[k + (OPJ_SIZE_T)w * 3] = job->h.wavelet[k].f[3];
+        }
+        for (k = 0; k < job->rw; k++) {
+            aj[k + (OPJ_SIZE_T)w * 4] = job->h.wavelet[k].f[4];
+            aj[k + (OPJ_SIZE_T)w * 5] = job->h.wavelet[k].f[5];
+            aj[k + (OPJ_SIZE_T)w * 6] = job->h.wavelet[k].f[6];
+            aj[k + (OPJ_SIZE_T)w * 7] = job->h.wavelet[k].f[7];
+        }
+
+        aj += w * NB_ELTS_V8;
+    }
+
+    opj_aligned_free(job->h.wavelet);
+    opj_free(job);
+}
+
+
+typedef struct {
+    opj_v8dwt_t v;
+    OPJ_UINT32 rh;
+    OPJ_UINT32 w;
+    OPJ_FLOAT32 * OPJ_RESTRICT aj;
+    OPJ_UINT32 nb_columns;
+} opj_dwt97_decode_v_job_t;
+
+static void opj_dwt97_decode_v_func(void* user_data, opj_tls_t* tls)
+{
+    OPJ_UINT32 j;
+    opj_dwt97_decode_v_job_t* job;
+    OPJ_FLOAT32 * OPJ_RESTRICT aj;
+    (void)tls;
+
+    job = (opj_dwt97_decode_v_job_t*)user_data;
+
+    assert((job->nb_columns % NB_ELTS_V8) == 0);
+
+    aj = job->aj;
+    for (j = 0; j + NB_ELTS_V8 <= job->nb_columns; j += NB_ELTS_V8) {
+        OPJ_UINT32 k;
+
+        opj_v8dwt_interleave_v(&job->v, aj, job->w, NB_ELTS_V8);
+        opj_v8dwt_decode(&job->v);
+
+        for (k = 0; k < job->rh; ++k) {
+            memcpy(&aj[k * (OPJ_SIZE_T)job->w], &job->v.wavelet[k],
+                   NB_ELTS_V8 * sizeof(OPJ_FLOAT32));
+        }
+        aj += NB_ELTS_V8;
+    }
+
+    opj_aligned_free(job->v.wavelet);
+    opj_free(job);
+}
+
 
 /* <summary>                             */
 /* Inverse 9-7 wavelet transform in 2-D. */
 /* </summary>                            */
 static
-OPJ_BOOL opj_dwt_decode_tile_97(opj_tcd_tilecomp_t* OPJ_RESTRICT tilec,
+OPJ_BOOL opj_dwt_decode_tile_97(opj_thread_pool_t* tp,
+                                opj_tcd_tilecomp_t* OPJ_RESTRICT tilec,
                                 OPJ_UINT32 numres)
 {
-    opj_v4dwt_t h;
-    opj_v4dwt_t v;
+    opj_v8dwt_t h;
+    opj_v8dwt_t v;
 
     opj_tcd_resolution_t* res = tilec->resolutions;
 
@@ -2534,20 +3314,19 @@
                                 tilec->resolutions[tilec->minimum_num_resolutions - 1].x0);
 
     OPJ_SIZE_T l_data_size;
+    const int num_threads = opj_thread_pool_get_thread_count(tp);
+
+    if (numres == 1) {
+        return OPJ_TRUE;
+    }
 
     l_data_size = opj_dwt_max_resolution(res, numres);
     /* overflow check */
-    if (l_data_size > (SIZE_MAX - 5U)) {
+    if (l_data_size > (SIZE_MAX / sizeof(opj_v8_t))) {
         /* FIXME event manager error callback */
         return OPJ_FALSE;
     }
-    l_data_size += 5U;
-    /* overflow check */
-    if (l_data_size > (SIZE_MAX / sizeof(opj_v4_t))) {
-        /* FIXME event manager error callback */
-        return OPJ_FALSE;
-    }
-    h.wavelet = (opj_v4_t*) opj_aligned_malloc(l_data_size * sizeof(opj_v4_t));
+    h.wavelet = (opj_v8_t*) opj_aligned_malloc(l_data_size * sizeof(opj_v8_t));
     if (!h.wavelet) {
         /* FIXME event manager error callback */
         return OPJ_FALSE;
@@ -2575,35 +3354,80 @@
         h.win_l_x1 = (OPJ_UINT32)h.sn;
         h.win_h_x0 = 0;
         h.win_h_x1 = (OPJ_UINT32)h.dn;
-        for (j = 0; j + 3 < rh; j += 4) {
-            OPJ_UINT32 k;
-            opj_v4dwt_interleave_h(&h, aj, w, rh - j);
-            opj_v4dwt_decode(&h);
 
-            for (k = 0; k < rw; k++) {
-                aj[k      ] = h.wavelet[k].f[0];
-                aj[k + (OPJ_SIZE_T)w  ] = h.wavelet[k].f[1];
-                aj[k + (OPJ_SIZE_T)w * 2] = h.wavelet[k].f[2];
-                aj[k + (OPJ_SIZE_T)w * 3] = h.wavelet[k].f[3];
+        if (num_threads <= 1 || rh < 2 * NB_ELTS_V8) {
+            for (j = 0; j + (NB_ELTS_V8 - 1) < rh; j += NB_ELTS_V8) {
+                OPJ_UINT32 k;
+                opj_v8dwt_interleave_h(&h, aj, w, NB_ELTS_V8);
+                opj_v8dwt_decode(&h);
+
+                /* To be adapted if NB_ELTS_V8 changes */
+                for (k = 0; k < rw; k++) {
+                    aj[k      ] = h.wavelet[k].f[0];
+                    aj[k + (OPJ_SIZE_T)w  ] = h.wavelet[k].f[1];
+                    aj[k + (OPJ_SIZE_T)w * 2] = h.wavelet[k].f[2];
+                    aj[k + (OPJ_SIZE_T)w * 3] = h.wavelet[k].f[3];
+                }
+                for (k = 0; k < rw; k++) {
+                    aj[k + (OPJ_SIZE_T)w * 4] = h.wavelet[k].f[4];
+                    aj[k + (OPJ_SIZE_T)w * 5] = h.wavelet[k].f[5];
+                    aj[k + (OPJ_SIZE_T)w * 6] = h.wavelet[k].f[6];
+                    aj[k + (OPJ_SIZE_T)w * 7] = h.wavelet[k].f[7];
+                }
+
+                aj += w * NB_ELTS_V8;
             }
+        } else {
+            OPJ_UINT32 num_jobs = (OPJ_UINT32)num_threads;
+            OPJ_UINT32 step_j;
 
-            aj += w * 4;
+            if ((rh / NB_ELTS_V8) < num_jobs) {
+                num_jobs = rh / NB_ELTS_V8;
+            }
+            step_j = ((rh / num_jobs) / NB_ELTS_V8) * NB_ELTS_V8;
+            for (j = 0; j < num_jobs; j++) {
+                opj_dwt97_decode_h_job_t* job;
+
+                job = (opj_dwt97_decode_h_job_t*) opj_malloc(sizeof(opj_dwt97_decode_h_job_t));
+                if (!job) {
+                    opj_thread_pool_wait_completion(tp, 0);
+                    opj_aligned_free(h.wavelet);
+                    return OPJ_FALSE;
+                }
+                job->h.wavelet = (opj_v8_t*)opj_aligned_malloc(l_data_size * sizeof(opj_v8_t));
+                if (!job->h.wavelet) {
+                    opj_thread_pool_wait_completion(tp, 0);
+                    opj_free(job);
+                    opj_aligned_free(h.wavelet);
+                    return OPJ_FALSE;
+                }
+                job->h.dn = h.dn;
+                job->h.sn = h.sn;
+                job->h.cas = h.cas;
+                job->h.win_l_x0 = h.win_l_x0;
+                job->h.win_l_x1 = h.win_l_x1;
+                job->h.win_h_x0 = h.win_h_x0;
+                job->h.win_h_x1 = h.win_h_x1;
+                job->rw = rw;
+                job->w = w;
+                job->aj = aj;
+                job->nb_rows = (j + 1 == num_jobs) ? (rh & (OPJ_UINT32)~
+                                                      (NB_ELTS_V8 - 1)) - j * step_j : step_j;
+                aj += w * job->nb_rows;
+                opj_thread_pool_submit_job(tp, opj_dwt97_decode_h_func, job);
+            }
+            opj_thread_pool_wait_completion(tp, 0);
+            j = rh & (OPJ_UINT32)~(NB_ELTS_V8 - 1);
         }
 
         if (j < rh) {
             OPJ_UINT32 k;
-            opj_v4dwt_interleave_h(&h, aj, w, rh - j);
-            opj_v4dwt_decode(&h);
+            opj_v8dwt_interleave_h(&h, aj, w, rh - j);
+            opj_v8dwt_decode(&h);
             for (k = 0; k < rw; k++) {
-                switch (rh - j) {
-                case 3:
-                    aj[k + (OPJ_SIZE_T)w * 2] = h.wavelet[k].f[2];
-                /* FALLTHRU */
-                case 2:
-                    aj[k + (OPJ_SIZE_T)w  ] = h.wavelet[k].f[1];
-                /* FALLTHRU */
-                case 1:
-                    aj[k] = h.wavelet[k].f[0];
+                OPJ_UINT32 l;
+                for (l = 0; l < rh - j; l++) {
+                    aj[k + (OPJ_SIZE_T)w  * l ] = h.wavelet[k].f[l];
                 }
             }
         }
@@ -2616,25 +3440,71 @@
         v.win_h_x1 = (OPJ_UINT32)v.dn;
 
         aj = (OPJ_FLOAT32*) tilec->data;
-        for (j = rw; j > 3; j -= 4) {
-            OPJ_UINT32 k;
+        if (num_threads <= 1 || rw < 2 * NB_ELTS_V8) {
+            for (j = rw; j > (NB_ELTS_V8 - 1); j -= NB_ELTS_V8) {
+                OPJ_UINT32 k;
 
-            opj_v4dwt_interleave_v(&v, aj, w, 4);
-            opj_v4dwt_decode(&v);
+                opj_v8dwt_interleave_v(&v, aj, w, NB_ELTS_V8);
+                opj_v8dwt_decode(&v);
 
-            for (k = 0; k < rh; ++k) {
-                memcpy(&aj[k * (OPJ_SIZE_T)w], &v.wavelet[k], 4 * sizeof(OPJ_FLOAT32));
+                for (k = 0; k < rh; ++k) {
+                    memcpy(&aj[k * (OPJ_SIZE_T)w], &v.wavelet[k], NB_ELTS_V8 * sizeof(OPJ_FLOAT32));
+                }
+                aj += NB_ELTS_V8;
             }
-            aj += 4;
+        } else {
+            /* "bench_dwt -I" shows that scaling is poor, likely due to RAM
+                transfer being the limiting factor. So limit the number of
+                threads.
+             */
+            OPJ_UINT32 num_jobs = opj_uint_max((OPJ_UINT32)num_threads / 2, 2U);
+            OPJ_UINT32 step_j;
+
+            if ((rw / NB_ELTS_V8) < num_jobs) {
+                num_jobs = rw / NB_ELTS_V8;
+            }
+            step_j = ((rw / num_jobs) / NB_ELTS_V8) * NB_ELTS_V8;
+            for (j = 0; j < num_jobs; j++) {
+                opj_dwt97_decode_v_job_t* job;
+
+                job = (opj_dwt97_decode_v_job_t*) opj_malloc(sizeof(opj_dwt97_decode_v_job_t));
+                if (!job) {
+                    opj_thread_pool_wait_completion(tp, 0);
+                    opj_aligned_free(h.wavelet);
+                    return OPJ_FALSE;
+                }
+                job->v.wavelet = (opj_v8_t*)opj_aligned_malloc(l_data_size * sizeof(opj_v8_t));
+                if (!job->v.wavelet) {
+                    opj_thread_pool_wait_completion(tp, 0);
+                    opj_free(job);
+                    opj_aligned_free(h.wavelet);
+                    return OPJ_FALSE;
+                }
+                job->v.dn = v.dn;
+                job->v.sn = v.sn;
+                job->v.cas = v.cas;
+                job->v.win_l_x0 = v.win_l_x0;
+                job->v.win_l_x1 = v.win_l_x1;
+                job->v.win_h_x0 = v.win_h_x0;
+                job->v.win_h_x1 = v.win_h_x1;
+                job->rh = rh;
+                job->w = w;
+                job->aj = aj;
+                job->nb_columns = (j + 1 == num_jobs) ? (rw & (OPJ_UINT32)~
+                                  (NB_ELTS_V8 - 1)) - j * step_j : step_j;
+                aj += job->nb_columns;
+                opj_thread_pool_submit_job(tp, opj_dwt97_decode_v_func, job);
+            }
+            opj_thread_pool_wait_completion(tp, 0);
         }
 
-        if (rw & 0x03) {
+        if (rw & (NB_ELTS_V8 - 1)) {
             OPJ_UINT32 k;
 
-            j = rw & 0x03;
+            j = rw & (NB_ELTS_V8 - 1);
 
-            opj_v4dwt_interleave_v(&v, aj, w, j);
-            opj_v4dwt_decode(&v);
+            opj_v8dwt_interleave_v(&v, aj, w, j);
+            opj_v8dwt_decode(&v);
 
             for (k = 0; k < rh; ++k) {
                 memcpy(&aj[k * (OPJ_SIZE_T)w], &v.wavelet[k],
@@ -2652,8 +3522,8 @@
                                    OPJ_UINT32 numres)
 {
     opj_sparse_array_int32_t* sa;
-    opj_v4dwt_t h;
-    opj_v4dwt_t v;
+    opj_v8dwt_t h;
+    opj_v8dwt_t v;
     OPJ_UINT32 resno;
     /* This value matches the maximum left/right extension given in tables */
     /* F.2 and F.3 of the standard. Note: in opj_tcd_is_subband_area_of_interest() */
@@ -2703,19 +3573,12 @@
 
     l_data_size = opj_dwt_max_resolution(tr, numres);
     /* overflow check */
-    if (l_data_size > (SIZE_MAX - 5U)) {
+    if (l_data_size > (SIZE_MAX / sizeof(opj_v8_t))) {
         /* FIXME event manager error callback */
         opj_sparse_array_int32_free(sa);
         return OPJ_FALSE;
     }
-    l_data_size += 5U;
-    /* overflow check */
-    if (l_data_size > (SIZE_MAX / sizeof(opj_v4_t))) {
-        /* FIXME event manager error callback */
-        opj_sparse_array_int32_free(sa);
-        return OPJ_FALSE;
-    }
-    h.wavelet = (opj_v4_t*) opj_aligned_malloc(l_data_size * sizeof(opj_v4_t));
+    h.wavelet = (opj_v8_t*) opj_aligned_malloc(l_data_size * sizeof(opj_v8_t));
     if (!h.wavelet) {
         /* FIXME event manager error callback */
         opj_sparse_array_int32_free(sa);
@@ -2810,17 +3673,17 @@
         h.win_l_x1 = win_ll_x1;
         h.win_h_x0 = win_hl_x0;
         h.win_h_x1 = win_hl_x1;
-        for (j = 0; j + 3 < rh; j += 4) {
-            if ((j + 3 >= win_ll_y0 && j < win_ll_y1) ||
-                    (j + 3 >= win_lh_y0 + (OPJ_UINT32)v.sn &&
+        for (j = 0; j + (NB_ELTS_V8 - 1) < rh; j += NB_ELTS_V8) {
+            if ((j + (NB_ELTS_V8 - 1) >= win_ll_y0 && j < win_ll_y1) ||
+                    (j + (NB_ELTS_V8 - 1) >= win_lh_y0 + (OPJ_UINT32)v.sn &&
                      j < win_lh_y1 + (OPJ_UINT32)v.sn)) {
-                opj_v4dwt_interleave_partial_h(&h, sa, j, opj_uint_min(4U, rh - j));
-                opj_v4dwt_decode(&h);
+                opj_v8dwt_interleave_partial_h(&h, sa, j, opj_uint_min(NB_ELTS_V8, rh - j));
+                opj_v8dwt_decode(&h);
                 if (!opj_sparse_array_int32_write(sa,
                                                   win_tr_x0, j,
-                                                  win_tr_x1, j + 4,
+                                                  win_tr_x1, j + NB_ELTS_V8,
                                                   (OPJ_INT32*)&h.wavelet[win_tr_x0].f[0],
-                                                  4, 1, OPJ_TRUE)) {
+                                                  NB_ELTS_V8, 1, OPJ_TRUE)) {
                     /* FIXME event manager error callback */
                     opj_sparse_array_int32_free(sa);
                     opj_aligned_free(h.wavelet);
@@ -2830,16 +3693,16 @@
         }
 
         if (j < rh &&
-                ((j + 3 >= win_ll_y0 && j < win_ll_y1) ||
-                 (j + 3 >= win_lh_y0 + (OPJ_UINT32)v.sn &&
+                ((j + (NB_ELTS_V8 - 1) >= win_ll_y0 && j < win_ll_y1) ||
+                 (j + (NB_ELTS_V8 - 1) >= win_lh_y0 + (OPJ_UINT32)v.sn &&
                   j < win_lh_y1 + (OPJ_UINT32)v.sn))) {
-            opj_v4dwt_interleave_partial_h(&h, sa, j, rh - j);
-            opj_v4dwt_decode(&h);
+            opj_v8dwt_interleave_partial_h(&h, sa, j, rh - j);
+            opj_v8dwt_decode(&h);
             if (!opj_sparse_array_int32_write(sa,
                                               win_tr_x0, j,
                                               win_tr_x1, rh,
                                               (OPJ_INT32*)&h.wavelet[win_tr_x0].f[0],
-                                              4, 1, OPJ_TRUE)) {
+                                              NB_ELTS_V8, 1, OPJ_TRUE)) {
                 /* FIXME event manager error callback */
                 opj_sparse_array_int32_free(sa);
                 opj_aligned_free(h.wavelet);
@@ -2851,17 +3714,17 @@
         v.win_l_x1 = win_ll_y1;
         v.win_h_x0 = win_lh_y0;
         v.win_h_x1 = win_lh_y1;
-        for (j = win_tr_x0; j < win_tr_x1; j += 4) {
-            OPJ_UINT32 nb_elts = opj_uint_min(4U, win_tr_x1 - j);
+        for (j = win_tr_x0; j < win_tr_x1; j += NB_ELTS_V8) {
+            OPJ_UINT32 nb_elts = opj_uint_min(NB_ELTS_V8, win_tr_x1 - j);
 
-            opj_v4dwt_interleave_partial_v(&v, sa, j, nb_elts);
-            opj_v4dwt_decode(&v);
+            opj_v8dwt_interleave_partial_v(&v, sa, j, nb_elts);
+            opj_v8dwt_decode(&v);
 
             if (!opj_sparse_array_int32_write(sa,
                                               j, win_tr_y0,
                                               j + nb_elts, win_tr_y1,
                                               (OPJ_INT32*)&h.wavelet[win_tr_y0].f[0],
-                                              1, 4, OPJ_TRUE)) {
+                                              1, NB_ELTS_V8, OPJ_TRUE)) {
                 /* FIXME event manager error callback */
                 opj_sparse_array_int32_free(sa);
                 opj_aligned_free(h.wavelet);
@@ -2894,7 +3757,7 @@
                              OPJ_UINT32 numres)
 {
     if (p_tcd->whole_tile_decoding) {
-        return opj_dwt_decode_tile_97(tilec, numres);
+        return opj_dwt_decode_tile_97(p_tcd->thread_pool, tilec, numres);
     } else {
         return opj_dwt_decode_partial_97(tilec, numres);
     }
diff --git a/third_party/libopenjpeg20/dwt.h b/third_party/libopenjpeg20/dwt.h
index 4f63e52..215061e 100644
--- a/third_party/libopenjpeg20/dwt.h
+++ b/third_party/libopenjpeg20/dwt.h
@@ -56,9 +56,11 @@
 /**
 Forward 5-3 wavelet transform in 2-D.
 Apply a reversible DWT transform to a component of an image.
+@param p_tcd TCD handle
 @param tilec Tile component information (current tile)
 */
-OPJ_BOOL opj_dwt_encode(opj_tcd_tilecomp_t * tilec);
+OPJ_BOOL opj_dwt_encode(opj_tcd_t *p_tcd,
+                        opj_tcd_tilecomp_t * tilec);
 
 /**
 Inverse 5-3 wavelet transform in 2-D.
@@ -72,12 +74,6 @@
                         OPJ_UINT32 numres);
 
 /**
-Get the gain of a subband for the reversible 5-3 DWT.
-@param orient Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH)
-@return Returns 0 if orient = 0, returns 1 if orient = 1 or 2, returns 2 otherwise
-*/
-OPJ_UINT32 opj_dwt_getgain(OPJ_UINT32 orient) ;
-/**
 Get the norm of a wavelet function of a subband at a specified level for the reversible 5-3 DWT.
 @param level Level of the wavelet function
 @param orient Band of the wavelet function
@@ -87,9 +83,11 @@
 /**
 Forward 9-7 wavelet transform in 2-D.
 Apply an irreversible DWT transform to a component of an image.
+@param p_tcd TCD handle
 @param tilec Tile component information (current tile)
 */
-OPJ_BOOL opj_dwt_encode_real(opj_tcd_tilecomp_t * tilec);
+OPJ_BOOL opj_dwt_encode_real(opj_tcd_t *p_tcd,
+                             opj_tcd_tilecomp_t * tilec);
 /**
 Inverse 9-7 wavelet transform in 2-D.
 Apply an irreversible inverse DWT transform to a component of an image.
@@ -102,12 +100,6 @@
                              OPJ_UINT32 numres);
 
 /**
-Get the gain of a subband for the irreversible 9-7 DWT.
-@param orient Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH)
-@return Returns the gain of the 9-7 wavelet transform
-*/
-OPJ_UINT32 opj_dwt_getgain_real(OPJ_UINT32 orient);
-/**
 Get the norm of a wavelet function of a subband at a specified level for the irreversible 9-7 DWT
 @param level Level of the wavelet function
 @param orient Band of the wavelet function
diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c
index c647374..711dd73 100644
--- a/third_party/libopenjpeg20/j2k.c
+++ b/third_party/libopenjpeg20/j2k.c
@@ -400,14 +400,14 @@
 static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
         OPJ_BYTE * p_data,
         OPJ_UINT32 * p_data_written,
-        OPJ_UINT32 p_total_data_size,
+        OPJ_UINT32 total_data_size,
         opj_stream_private_t *p_stream,
         struct opj_event_mgr * p_manager);
 
 static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
         OPJ_BYTE * p_data,
         OPJ_UINT32 * p_data_written,
-        OPJ_UINT32 p_total_data_size,
+        OPJ_UINT32 total_data_size,
         opj_stream_private_t *p_stream,
         struct opj_event_mgr * p_manager);
 
@@ -832,14 +832,14 @@
  *
  * @param       p_j2k            J2K codec.
  * @param       p_data           Output buffer
- * @param       p_total_data_size Output buffer size
+ * @param       total_data_size  Output buffer size
  * @param       p_data_written   Number of bytes written into stream
  * @param       p_stream         the stream to write data to.
  * @param       p_manager        the user event manager.
 */
 static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
                                   OPJ_BYTE * p_data,
-                                  OPJ_UINT32 p_total_data_size,
+                                  OPJ_UINT32 total_data_size,
                                   OPJ_UINT32 * p_data_written,
                                   const opj_stream_private_t *p_stream,
                                   opj_event_mgr_t * p_manager);
@@ -879,11 +879,13 @@
 /**
  * Writes the SOD marker (Start of data)
  *
+ * This also writes optional PLT markers (before SOD)
+ *
  * @param       p_j2k               J2K codec.
  * @param       p_tile_coder        FIXME DOC
  * @param       p_data              FIXME DOC
  * @param       p_data_written      FIXME DOC
- * @param       p_total_data_size   FIXME DOC
+ * @param       total_data_size   FIXME DOC
  * @param       p_stream            the stream to write data to.
  * @param       p_manager           the user event manager.
 */
@@ -891,7 +893,7 @@
                                   opj_tcd_t * p_tile_coder,
                                   OPJ_BYTE * p_data,
                                   OPJ_UINT32 * p_data_written,
-                                  OPJ_UINT32 p_total_data_size,
+                                  OPJ_UINT32 total_data_size,
                                   const opj_stream_private_t *p_stream,
                                   opj_event_mgr_t * p_manager);
 
@@ -1219,6 +1221,7 @@
  * A nice message is outputted at errors.
  *
  * @param       p_pocs                  the progression order changes.
+ * @param       tileno                  the tile number of interest
  * @param       p_nb_pocs               the number of progression order changes.
  * @param       p_nb_resolutions        the number of resolutions.
  * @param       numcomps                the number of components
@@ -1228,6 +1231,7 @@
  * @return      true if the pocs are valid.
  */
 static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
+                                      OPJ_UINT32 tileno,
                                       OPJ_UINT32 p_nb_pocs,
                                       OPJ_UINT32 p_nb_resolutions,
                                       OPJ_UINT32 numcomps,
@@ -1282,6 +1286,13 @@
 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
         opj_event_mgr_t *p_manager);
 
+static void opj_j2k_set_imf_parameters(opj_cparameters_t *parameters,
+                                       opj_image_t *image, opj_event_mgr_t *p_manager);
+
+static OPJ_BOOL opj_j2k_is_imf_compliant(opj_cparameters_t *parameters,
+        opj_image_t *image,
+        opj_event_mgr_t *p_manager);
+
 /**
  * Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). See issue 254.
  *
@@ -1615,6 +1626,7 @@
 }
 
 static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
+                                      OPJ_UINT32 tileno,
                                       OPJ_UINT32 p_nb_pocs,
                                       OPJ_UINT32 p_nb_resolutions,
                                       OPJ_UINT32 p_num_comps,
@@ -1628,7 +1640,8 @@
     OPJ_UINT32 step_r = p_num_comps * step_c;
     OPJ_UINT32 step_l = p_nb_resolutions * step_r;
     OPJ_BOOL loss = OPJ_FALSE;
-    OPJ_UINT32 layno0 = 0;
+
+    assert(p_nb_pocs > 0);
 
     packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers,
                                             sizeof(OPJ_UINT32));
@@ -1638,63 +1651,37 @@
         return OPJ_FALSE;
     }
 
-    if (p_nb_pocs == 0) {
-        opj_free(packet_array);
-        return OPJ_TRUE;
-    }
+    /* iterate through all the pocs that match our tile of interest. */
+    for (i = 0; i < p_nb_pocs; ++i) {
+        const opj_poc_t *poc = &p_pocs[i];
+        if (tileno + 1 == poc->tile) {
+            index = step_r * poc->resno0;
 
-    index = step_r * p_pocs->resno0;
-    /* take each resolution for each poc */
-    for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
-        OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
+            /* take each resolution for each poc */
+            for (resno = poc->resno0 ;
+                    resno < opj_uint_min(poc->resno1, p_nb_resolutions); ++resno) {
+                OPJ_UINT32 res_index = index + poc->compno0 * step_c;
 
-        /* take each comp of each resolution for each poc */
-        for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
-            OPJ_UINT32 comp_index = res_index + layno0 * step_l;
+                /* take each comp of each resolution for each poc */
+                for (compno = poc->compno0 ;
+                        compno < opj_uint_min(poc->compno1, p_num_comps); ++compno) {
+                    /* The layer index always starts at zero for every progression. */
+                    const OPJ_UINT32 layno0 = 0;
+                    OPJ_UINT32 comp_index = res_index + layno0 * step_l;
 
-            /* and finally take each layer of each res of ... */
-            for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
-                /*index = step_r * resno + step_c * compno + step_l * layno;*/
-                packet_array[comp_index] = 1;
-                comp_index += step_l;
-            }
+                    /* and finally take each layer of each res of ... */
+                    for (layno = layno0; layno < opj_uint_min(poc->layno1, p_num_layers);
+                            ++layno) {
+                        packet_array[comp_index] = 1;
+                        comp_index += step_l;
+                    }
 
-            res_index += step_c;
-        }
-
-        index += step_r;
-    }
-    ++p_pocs;
-
-    /* iterate through all the pocs */
-    for (i = 1; i < p_nb_pocs ; ++i) {
-        OPJ_UINT32 l_last_layno1 = (p_pocs - 1)->layno1 ;
-
-        layno0 = (p_pocs->layno1 > l_last_layno1) ? l_last_layno1 : 0;
-        index = step_r * p_pocs->resno0;
-
-        /* take each resolution for each poc */
-        for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
-            OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
-
-            /* take each comp of each resolution for each poc */
-            for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
-                OPJ_UINT32 comp_index = res_index + layno0 * step_l;
-
-                /* and finally take each layer of each res of ... */
-                for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
-                    /*index = step_r * resno + step_c * compno + step_l * layno;*/
-                    packet_array[comp_index] = 1;
-                    comp_index += step_l;
+                    res_index += step_c;
                 }
 
-                res_index += step_c;
+                index += step_r;
             }
-
-            index += step_r;
         }
-
-        ++p_pocs;
     }
 
     index = 0;
@@ -1702,7 +1689,13 @@
         for (resno = 0; resno < p_nb_resolutions; ++resno) {
             for (compno = 0; compno < p_num_comps; ++compno) {
                 loss |= (packet_array[index] != 1);
-                /*index = step_r * resno + step_c * compno + step_l * layno;*/
+#ifdef DEBUG_VERBOSE
+                if (packet_array[index] != 1) {
+                    fprintf(stderr,
+                            "Missing packet in POC: layno=%d resno=%d compno=%d\n",
+                            layno, resno, compno);
+                }
+#endif
                 index += step_c;
             }
         }
@@ -3454,6 +3447,28 @@
 
     l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k);
 
+    if (p_j2k->m_specific_param.m_encoder.m_PLT) {
+        /* Reserve space for PLT markers */
+
+        OPJ_UINT32 i;
+        const opj_cp_t * l_cp = &(p_j2k->m_cp);
+        OPJ_UINT32 l_max_packet_count = 0;
+        for (i = 0; i < l_cp->th * l_cp->tw; ++i) {
+            l_max_packet_count = opj_uint_max(l_max_packet_count,
+                                              opj_get_encoding_packet_count(p_j2k->m_private_image, l_cp, i));
+        }
+        /* Minimum 6 bytes per PLT marker, and at a minimum (taking a pessimistic */
+        /* estimate of 4 bytes for a packet size), one can write */
+        /* (65536-6) / 4 = 16382 paquet sizes per PLT marker */
+        p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT =
+            6 * opj_uint_ceildiv(l_max_packet_count, 16382);
+        /* Maximum 5 bytes per packet to encode a full UINT32 */
+        p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT +=
+            l_nb_bytes += 5 * l_max_packet_count;
+        p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT += 1;
+        l_nb_bytes += p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT;
+    }
+
     /*** DEVELOPER CORNER, Add room for your headers ***/
 
     return l_nb_bytes;
@@ -4207,7 +4222,7 @@
 
 static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
                                   OPJ_BYTE * p_data,
-                                  OPJ_UINT32 p_total_data_size,
+                                  OPJ_UINT32 total_data_size,
                                   OPJ_UINT32 * p_data_written,
                                   const opj_stream_private_t *p_stream,
                                   opj_event_mgr_t * p_manager
@@ -4220,7 +4235,7 @@
 
     OPJ_UNUSED(p_stream);
 
-    if (p_total_data_size < 12) {
+    if (total_data_size < 12) {
         opj_event_msg(p_manager, EVT_ERROR,
                       "Not enough bytes in output buffer to write SOT marker\n");
         return OPJ_FALSE;
@@ -4613,17 +4628,105 @@
     return OPJ_TRUE;
 }
 
+/**
+ * Write one or more PLT markers in the provided buffer
+ */
+static OPJ_BOOL opj_j2k_write_plt_in_memory(opj_j2k_t *p_j2k,
+        opj_tcd_marker_info_t* marker_info,
+        OPJ_BYTE * p_data,
+        OPJ_UINT32 * p_data_written,
+        opj_event_mgr_t * p_manager)
+{
+    OPJ_BYTE Zplt = 0;
+    OPJ_UINT16 Lplt;
+    OPJ_BYTE* p_data_start = p_data;
+    OPJ_BYTE* p_data_Lplt = p_data + 2;
+    OPJ_UINT32 i;
+
+    OPJ_UNUSED(p_j2k);
+
+    opj_write_bytes(p_data, J2K_MS_PLT, 2);
+    p_data += 2;
+
+    /* Reserve space for Lplt */
+    p_data += 2;
+
+    opj_write_bytes(p_data, Zplt, 1);
+    p_data += 1;
+
+    Lplt = 3;
+
+    for (i = 0; i < marker_info->packet_count; i++) {
+        OPJ_BYTE var_bytes[5];
+        OPJ_UINT8 var_bytes_size = 0;
+        OPJ_UINT32 packet_size = marker_info->p_packet_size[i];
+
+        /* Packet size written in variable-length way, starting with LSB */
+        var_bytes[var_bytes_size] = (OPJ_BYTE)(packet_size & 0x7f);
+        var_bytes_size ++;
+        packet_size >>= 7;
+        while (packet_size > 0) {
+            var_bytes[var_bytes_size] = (OPJ_BYTE)((packet_size & 0x7f) | 0x80);
+            var_bytes_size ++;
+            packet_size >>= 7;
+        }
+
+        /* Check if that can fit in the current PLT marker. If not, finish */
+        /* current one, and start a new one */
+        if (Lplt + var_bytes_size > 65535) {
+            if (Zplt == 255) {
+                opj_event_msg(p_manager, EVT_ERROR,
+                              "More than 255 PLT markers would be needed for current tile-part !\n");
+                return OPJ_FALSE;
+            }
+
+            /* Patch Lplt */
+            opj_write_bytes(p_data_Lplt, Lplt, 2);
+
+            /* Start new segment */
+            opj_write_bytes(p_data, J2K_MS_PLT, 2);
+            p_data += 2;
+
+            /* Reserve space for Lplt */
+            p_data_Lplt = p_data;
+            p_data += 2;
+
+            Zplt ++;
+            opj_write_bytes(p_data, Zplt, 1);
+            p_data += 1;
+
+            Lplt = 3;
+        }
+
+        Lplt = (OPJ_UINT16)(Lplt + var_bytes_size);
+
+        /* Serialize variable-length packet size, starting with MSB */
+        for (; var_bytes_size > 0; --var_bytes_size) {
+            opj_write_bytes(p_data, var_bytes[var_bytes_size - 1], 1);
+            p_data += 1;
+        }
+    }
+
+    *p_data_written = (OPJ_UINT32)(p_data - p_data_start);
+
+    /* Patch Lplt */
+    opj_write_bytes(p_data_Lplt, Lplt, 2);
+
+    return OPJ_TRUE;
+}
+
 static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
                                   opj_tcd_t * p_tile_coder,
                                   OPJ_BYTE * p_data,
                                   OPJ_UINT32 * p_data_written,
-                                  OPJ_UINT32 p_total_data_size,
+                                  OPJ_UINT32 total_data_size,
                                   const opj_stream_private_t *p_stream,
                                   opj_event_mgr_t * p_manager
                                  )
 {
     opj_codestream_info_t *l_cstr_info = 00;
     OPJ_UINT32 l_remaining_data;
+    opj_tcd_marker_info_t* marker_info = NULL;
 
     /* preconditions */
     assert(p_j2k != 00);
@@ -4632,7 +4735,7 @@
 
     OPJ_UNUSED(p_stream);
 
-    if (p_total_data_size < 4) {
+    if (total_data_size < 4) {
         opj_event_msg(p_manager, EVT_ERROR,
                       "Not enough bytes in output buffer to write SOD marker\n");
         return OPJ_FALSE;
@@ -4640,10 +4743,9 @@
 
     opj_write_bytes(p_data, J2K_MS_SOD,
                     2);                                 /* SOD */
-    p_data += 2;
 
     /* make room for the EOF marker */
-    l_remaining_data =  p_total_data_size - 4;
+    l_remaining_data =  total_data_size - 4;
 
     /* update tile coder */
     p_tile_coder->tp_num =
@@ -4690,15 +4792,69 @@
 
     *p_data_written = 0;
 
-    if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number, p_data,
+    if (p_j2k->m_specific_param.m_encoder.m_PLT) {
+        marker_info = opj_tcd_marker_info_create(
+                          p_j2k->m_specific_param.m_encoder.m_PLT);
+        if (marker_info == NULL) {
+            opj_event_msg(p_manager, EVT_ERROR,
+                          "Cannot encode tile: opj_tcd_marker_info_create() failed\n");
+            return OPJ_FALSE;
+        }
+    }
+
+    if (l_remaining_data <
+            p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT) {
+        opj_event_msg(p_manager, EVT_ERROR,
+                      "Not enough bytes in output buffer to write SOD marker\n");
+        opj_tcd_marker_info_destroy(marker_info);
+        return OPJ_FALSE;
+    }
+    l_remaining_data -= p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT;
+
+    if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number,
+                              p_data + 2,
                               p_data_written, l_remaining_data, l_cstr_info,
+                              marker_info,
                               p_manager)) {
         opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n");
+        opj_tcd_marker_info_destroy(marker_info);
         return OPJ_FALSE;
     }
 
+    /* For SOD */
     *p_data_written += 2;
 
+    if (p_j2k->m_specific_param.m_encoder.m_PLT) {
+        OPJ_UINT32 l_data_written_PLT = 0;
+        OPJ_BYTE* p_PLT_buffer = (OPJ_BYTE*)opj_malloc(
+                                     p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT);
+        if (!p_PLT_buffer) {
+            opj_event_msg(p_manager, EVT_ERROR, "Cannot allocate memory\n");
+            opj_tcd_marker_info_destroy(marker_info);
+            return OPJ_FALSE;
+        }
+        if (!opj_j2k_write_plt_in_memory(p_j2k,
+                                         marker_info,
+                                         p_PLT_buffer,
+                                         &l_data_written_PLT,
+                                         p_manager)) {
+            opj_tcd_marker_info_destroy(marker_info);
+            opj_free(p_PLT_buffer);
+            return OPJ_FALSE;
+        }
+
+        assert(l_data_written_PLT <=
+               p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT);
+
+        /* Move PLT marker(s) before SOD */
+        memmove(p_data + l_data_written_PLT, p_data, *p_data_written);
+        memcpy(p_data, p_PLT_buffer, l_data_written_PLT);
+        opj_free(p_PLT_buffer);
+        *p_data_written += l_data_written_PLT;
+    }
+
+    opj_tcd_marker_info_destroy(marker_info);
+
     return OPJ_TRUE;
 }
 
@@ -5048,7 +5204,7 @@
     OPJ_FLOAT32 * l_rates = 0;
     OPJ_FLOAT32 l_sot_remove;
     OPJ_UINT32 l_bits_empty, l_size_pixel;
-    OPJ_UINT32 l_tile_size = 0;
+    OPJ_UINT64 l_tile_size = 0;
     OPJ_UINT32 l_last_res;
     OPJ_FLOAT32(* l_tp_stride_func)(opj_tcp_t *) = 00;
 
@@ -5092,25 +5248,12 @@
             l_rates = l_tcp->rates;
 
             /* Modification of the RATE >> */
-            if (*l_rates > 0.0f) {
-                *l_rates = (((OPJ_FLOAT32)(l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) *
-                                           (OPJ_UINT32)(l_y1 - l_y0)))
-                            /
-                            ((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
-                           )
-                           -
-                           l_offset;
-            }
-
-            ++l_rates;
-
-            for (k = 1; k < l_tcp->numlayers; ++k) {
+            for (k = 0; k < l_tcp->numlayers; ++k) {
                 if (*l_rates > 0.0f) {
-                    *l_rates = (((OPJ_FLOAT32)(l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) *
-                                               (OPJ_UINT32)(l_y1 - l_y0)))
-                                /
-                                ((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
-                               )
+                    *l_rates = (OPJ_FLOAT32)(((OPJ_FLOAT64)l_size_pixel * (OPJ_UINT32)(
+                                                  l_x1 - l_x0) *
+                                              (OPJ_UINT32)(l_y1 - l_y0))
+                                             / ((*l_rates) * (OPJ_FLOAT32)l_bits_empty))
                                -
                                l_offset;
                 }
@@ -5170,12 +5313,11 @@
     l_tile_size = 0;
 
     for (i = 0; i < l_image->numcomps; ++i) {
-        l_tile_size += (opj_uint_ceildiv(l_cp->tdx, l_img_comp->dx)
-                        *
-                        opj_uint_ceildiv(l_cp->tdy, l_img_comp->dy)
-                        *
-                        l_img_comp->prec
-                       );
+        l_tile_size += (OPJ_UINT64)opj_uint_ceildiv(l_cp->tdx, l_img_comp->dx)
+                       *
+                       opj_uint_ceildiv(l_cp->tdy, l_img_comp->dy)
+                       *
+                       l_img_comp->prec;
 
         ++l_img_comp;
     }
@@ -5186,7 +5328,7 @@
     /* bin/test_tile_encoder 1 256 256 32 32 8 0 reversible_with_precinct.j2k 4 4 3 0 0 1 16 16 */
     /* TODO revise this to take into account the overhead linked to the */
     /* number of packets and number of code blocks in packets */
-    l_tile_size = (OPJ_UINT32)(l_tile_size * 1.4 / 8);
+    l_tile_size = (OPJ_UINT64)((double)l_tile_size * 1.4 / 8);
 
     /* Arbitrary amount to make the following work: */
     /* bin/test_tile_encoder 1 256 256 17 16 8 0 reversible_no_precinct.j2k 4 4 3 0 0 1 */
@@ -5194,14 +5336,21 @@
 
     l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k);
 
-    p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = l_tile_size;
+    if (l_tile_size > UINT_MAX) {
+        l_tile_size = UINT_MAX;
+    }
+
+    p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = (OPJ_UINT32)l_tile_size;
     p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
         (OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
     if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
+        opj_event_msg(p_manager, EVT_ERROR,
+                      "Not enough memory to allocate m_encoded_tile_data. %u MB required\n",
+                      (OPJ_UINT32)(l_tile_size / 1024 / 1024));
         return OPJ_FALSE;
     }
 
-    if (OPJ_IS_CINEMA(l_cp->rsiz)) {
+    if (OPJ_IS_CINEMA(l_cp->rsiz) || OPJ_IS_IMF(l_cp->rsiz)) {
         p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
             (OPJ_BYTE *) opj_malloc(5 *
                                     p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
@@ -6633,7 +6782,7 @@
     }
 
     /* Precincts */
-    parameters->csty |= 0x01;
+    parameters->csty |= J2K_CP_CSTY_PRT;
     if (parameters->numresolution == 1) {
         parameters->res_spec = 1;
         parameters->prcw_init[0] = 128;
@@ -6759,6 +6908,589 @@
     return OPJ_TRUE;
 }
 
+static int opj_j2k_get_imf_max_NL(opj_cparameters_t *parameters,
+                                  opj_image_t *image)
+{
+    /* Decomposition levels */
+    const OPJ_UINT16 rsiz = parameters->rsiz;
+    const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
+    const OPJ_UINT32 XTsiz = parameters->tile_size_on ? (OPJ_UINT32)
+                             parameters->cp_tdx : image->x1;
+    switch (profile) {
+    case OPJ_PROFILE_IMF_2K:
+        return 5;
+    case OPJ_PROFILE_IMF_4K:
+        return 6;
+    case OPJ_PROFILE_IMF_8K:
+        return 7;
+    case OPJ_PROFILE_IMF_2K_R: {
+        if (XTsiz >= 2048) {
+            return 5;
+        } else if (XTsiz >= 1024) {
+            return 4;
+        }
+        break;
+    }
+    case OPJ_PROFILE_IMF_4K_R: {
+        if (XTsiz >= 4096) {
+            return 6;
+        } else if (XTsiz >= 2048) {
+            return 5;
+        } else if (XTsiz >= 1024) {
+            return 4;
+        }
+        break;
+    }
+    case OPJ_PROFILE_IMF_8K_R: {
+        if (XTsiz >= 8192) {
+            return 7;
+        } else if (XTsiz >= 4096) {
+            return 6;
+        } else if (XTsiz >= 2048) {
+            return 5;
+        } else if (XTsiz >= 1024) {
+            return 4;
+        }
+        break;
+    }
+    default:
+        break;
+    }
+    return -1;
+}
+
+static void opj_j2k_set_imf_parameters(opj_cparameters_t *parameters,
+                                       opj_image_t *image, opj_event_mgr_t *p_manager)
+{
+    const OPJ_UINT16 rsiz = parameters->rsiz;
+    const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
+
+    OPJ_UNUSED(p_manager);
+
+    /* Override defaults set by opj_set_default_encoder_parameters */
+    if (parameters->cblockw_init == OPJ_COMP_PARAM_DEFAULT_CBLOCKW &&
+            parameters->cblockh_init == OPJ_COMP_PARAM_DEFAULT_CBLOCKH) {
+        parameters->cblockw_init = 32;
+        parameters->cblockh_init = 32;
+    }
+
+    /* One tile part for each component */
+    parameters->tp_flag = 'C';
+    parameters->tp_on = 1;
+
+    if (parameters->prog_order == OPJ_COMP_PARAM_DEFAULT_PROG_ORDER) {
+        parameters->prog_order = OPJ_CPRL;
+    }
+
+    if (profile == OPJ_PROFILE_IMF_2K ||
+            profile == OPJ_PROFILE_IMF_4K ||
+            profile == OPJ_PROFILE_IMF_8K) {
+        /* 9-7 transform */
+        parameters->irreversible = 1;
+    }
+
+    /* Adjust the number of resolutions if set to its defaults */
+    if (parameters->numresolution == OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION &&
+            image->x0 == 0 &&
+            image->y0 == 0) {
+        const int max_NL = opj_j2k_get_imf_max_NL(parameters, image);
+        if (max_NL >= 0 && parameters->numresolution > max_NL) {
+            parameters->numresolution = max_NL + 1;
+        }
+
+        /* Note: below is generic logic */
+        if (!parameters->tile_size_on) {
+            while (parameters->numresolution > 0) {
+                if (image->x1 < (1U << ((OPJ_UINT32)parameters->numresolution - 1U))) {
+                    parameters->numresolution --;
+                    continue;
+                }
+                if (image->y1 < (1U << ((OPJ_UINT32)parameters->numresolution - 1U))) {
+                    parameters->numresolution --;
+                    continue;
+                }
+                break;
+            }
+        }
+    }
+
+    /* Set defaults precincts */
+    if (parameters->csty == 0) {
+        parameters->csty |= J2K_CP_CSTY_PRT;
+        if (parameters->numresolution == 1) {
+            parameters->res_spec = 1;
+            parameters->prcw_init[0] = 128;
+            parameters->prch_init[0] = 128;
+        } else {
+            int i;
+            parameters->res_spec = parameters->numresolution - 1;
+            for (i = 0; i < parameters->res_spec; i++) {
+                parameters->prcw_init[i] = 256;
+                parameters->prch_init[i] = 256;
+            }
+        }
+    }
+}
+
+/* Table A.53 from JPEG2000 standard */
+static const OPJ_UINT16 tabMaxSubLevelFromMainLevel[] = {
+    15, /* unspecified */
+    1,
+    1,
+    1,
+    2,
+    3,
+    4,
+    5,
+    6,
+    7,
+    8,
+    9
+};
+
+static OPJ_BOOL opj_j2k_is_imf_compliant(opj_cparameters_t *parameters,
+        opj_image_t *image,
+        opj_event_mgr_t *p_manager)
+{
+    OPJ_UINT32 i;
+    const OPJ_UINT16 rsiz = parameters->rsiz;
+    const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
+    const OPJ_UINT16 mainlevel = OPJ_GET_IMF_MAINLEVEL(rsiz);
+    const OPJ_UINT16 sublevel = OPJ_GET_IMF_SUBLEVEL(rsiz);
+    const int NL = parameters->numresolution - 1;
+    const OPJ_UINT32 XTsiz = parameters->tile_size_on ? (OPJ_UINT32)
+                             parameters->cp_tdx : image->x1;
+    OPJ_BOOL ret = OPJ_TRUE;
+
+    /* Validate mainlevel */
+    if (mainlevel > OPJ_IMF_MAINLEVEL_MAX) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF profile require mainlevel <= 11.\n"
+                      "-> %d is thus not compliant\n"
+                      "-> Non-IMF codestream will be generated\n",
+                      mainlevel);
+        ret = OPJ_FALSE;
+    }
+
+    /* Validate sublevel */
+    assert(sizeof(tabMaxSubLevelFromMainLevel) ==
+           (OPJ_IMF_MAINLEVEL_MAX + 1) * sizeof(tabMaxSubLevelFromMainLevel[0]));
+    if (sublevel > tabMaxSubLevelFromMainLevel[mainlevel]) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF profile require sublevel <= %d for mainlevel = %d.\n"
+                      "-> %d is thus not compliant\n"
+                      "-> Non-IMF codestream will be generated\n",
+                      tabMaxSubLevelFromMainLevel[mainlevel],
+                      mainlevel,
+                      sublevel);
+        ret = OPJ_FALSE;
+    }
+
+    /* Number of components */
+    if (image->numcomps > 3) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF profiles require at most 3 components.\n"
+                      "-> Number of components of input image (%d) is not compliant\n"
+                      "-> Non-IMF codestream will be generated\n",
+                      image->numcomps);
+        ret = OPJ_FALSE;
+    }
+
+    if (image->x0 != 0 || image->y0 != 0) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF profiles require image origin to be at 0,0.\n"
+                      "-> %d,%d is not compliant\n"
+                      "-> Non-IMF codestream will be generated\n",
+                      image->x0, image->y0 != 0);
+        ret = OPJ_FALSE;
+    }
+
+    if (parameters->cp_tx0 != 0 || parameters->cp_ty0 != 0) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF profiles require tile origin to be at 0,0.\n"
+                      "-> %d,%d is not compliant\n"
+                      "-> Non-IMF codestream will be generated\n",
+                      parameters->cp_tx0, parameters->cp_ty0);
+        ret = OPJ_FALSE;
+    }
+
+    if (parameters->tile_size_on) {
+        if (profile == OPJ_PROFILE_IMF_2K ||
+                profile == OPJ_PROFILE_IMF_4K ||
+                profile == OPJ_PROFILE_IMF_8K) {
+            if ((OPJ_UINT32)parameters->cp_tdx < image->x1 ||
+                    (OPJ_UINT32)parameters->cp_tdy < image->y1) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 2K/4K/8K single tile profiles require tile to be greater or equal to image size.\n"
+                              "-> %d,%d is lesser than %d,%d\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              parameters->cp_tdx,
+                              parameters->cp_tdy,
+                              image->x1,
+                              image->y1);
+                ret = OPJ_FALSE;
+            }
+        } else {
+            if ((OPJ_UINT32)parameters->cp_tdx >= image->x1 &&
+                    (OPJ_UINT32)parameters->cp_tdy >= image->y1) {
+                /* ok */
+            } else if (parameters->cp_tdx == 1024 &&
+                       parameters->cp_tdy == 1024) {
+                /* ok */
+            } else if (parameters->cp_tdx == 2048 &&
+                       parameters->cp_tdy == 2048 &&
+                       (profile == OPJ_PROFILE_IMF_4K ||
+                        profile == OPJ_PROFILE_IMF_8K)) {
+                /* ok */
+            } else if (parameters->cp_tdx == 4096 &&
+                       parameters->cp_tdy == 4096 &&
+                       profile == OPJ_PROFILE_IMF_8K) {
+                /* ok */
+            } else {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 2K_R/4K_R/8K_R single/multiple tile profiles "
+                              "require tile to be greater or equal to image size,\n"
+                              "or to be (1024,1024), or (2048,2048) for 4K_R/8K_R "
+                              "or (4096,4096) for 8K_R.\n"
+                              "-> %d,%d is non conformant\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              parameters->cp_tdx,
+                              parameters->cp_tdy);
+                ret = OPJ_FALSE;
+            }
+        }
+    }
+
+    /* Bitdepth */
+    for (i = 0; i < image->numcomps; i++) {
+        if (!(image->comps[i].bpp >= 8 && image->comps[i].bpp <= 16) ||
+                (image->comps[i].sgnd)) {
+            char signed_str[] = "signed";
+            char unsigned_str[] = "unsigned";
+            char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF profiles require precision of each component to b in [8-16] bits unsigned"
+                          "-> At least component %d of input image (%d bits, %s) is not compliant\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          i, image->comps[i].bpp, tmp_str);
+            ret = OPJ_FALSE;
+        }
+    }
+
+    /* Sub-sampling */
+    for (i = 0; i < image->numcomps; i++) {
+        if (i == 0 && image->comps[i].dx != 1) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF profiles require XRSiz1 == 1. Here it is set to %d.\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          image->comps[i].dx);
+            ret = OPJ_FALSE;
+        }
+        if (i == 1 && image->comps[i].dx != 1 && image->comps[i].dx != 2) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF profiles require XRSiz2 == 1 or 2. Here it is set to %d.\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          image->comps[i].dx);
+            ret = OPJ_FALSE;
+        }
+        if (i > 1 && image->comps[i].dx != image->comps[i - 1].dx) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF profiles require XRSiz%d to be the same as XRSiz2. "
+                          "Here it is set to %d instead of %d.\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          i + 1, image->comps[i].dx, image->comps[i - 1].dx);
+            ret = OPJ_FALSE;
+        }
+        if (image->comps[i].dy != 1) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF profiles require YRsiz == 1. "
+                          "Here it is set to %d for component i.\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          image->comps[i].dy, i);
+            ret = OPJ_FALSE;
+        }
+    }
+
+    /* Image size */
+    switch (profile) {
+    case OPJ_PROFILE_IMF_2K:
+    case OPJ_PROFILE_IMF_2K_R:
+        if (((image->comps[0].w > 2048) | (image->comps[0].h > 1556))) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF 2K/2K_R profile require:\n"
+                          "width <= 2048 and height <= 1556\n"
+                          "-> Input image size %d x %d is not compliant\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          image->comps[0].w, image->comps[0].h);
+            ret = OPJ_FALSE;
+        }
+        break;
+    case OPJ_PROFILE_IMF_4K:
+    case OPJ_PROFILE_IMF_4K_R:
+        if (((image->comps[0].w > 4096) | (image->comps[0].h > 3112))) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF 4K/4K_R profile require:\n"
+                          "width <= 4096 and height <= 3112\n"
+                          "-> Input image size %d x %d is not compliant\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          image->comps[0].w, image->comps[0].h);
+            ret = OPJ_FALSE;
+        }
+        break;
+    case OPJ_PROFILE_IMF_8K:
+    case OPJ_PROFILE_IMF_8K_R:
+        if (((image->comps[0].w > 8192) | (image->comps[0].h > 6224))) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF 8K/8K_R profile require:\n"
+                          "width <= 8192 and height <= 6224\n"
+                          "-> Input image size %d x %d is not compliant\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          image->comps[0].w, image->comps[0].h);
+            ret = OPJ_FALSE;
+        }
+        break;
+    default :
+        assert(0);
+        return OPJ_FALSE;
+    }
+
+    if (parameters->roi_compno != -1) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF profile forbid RGN / region of interest marker.\n"
+                      "-> Compression parameters specify a ROI\n"
+                      "-> Non-IMF codestream will be generated\n");
+        ret = OPJ_FALSE;
+    }
+
+    if (parameters->cblockw_init != 32 || parameters->cblockh_init != 32) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF profile require code block size to be 32x32.\n"
+                      "-> Compression parameters set it to %dx%d.\n"
+                      "-> Non-IMF codestream will be generated\n",
+                      parameters->cblockw_init,
+                      parameters->cblockh_init);
+        ret = OPJ_FALSE;
+    }
+
+    if (parameters->prog_order != OPJ_CPRL) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF profile require progression order to be CPRL.\n"
+                      "-> Compression parameters set it to %d.\n"
+                      "-> Non-IMF codestream will be generated\n",
+                      parameters->prog_order);
+        ret = OPJ_FALSE;
+    }
+
+    if (parameters->numpocs != 0) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF profile forbid POC markers.\n"
+                      "-> Compression parameters set %d POC.\n"
+                      "-> Non-IMF codestream will be generated\n",
+                      parameters->numpocs);
+        ret = OPJ_FALSE;
+    }
+
+    /* Codeblock style: no mode switch enabled */
+    if (parameters->mode != 0) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF profile forbid mode switch in code block style.\n"
+                      "-> Compression parameters set code block style to %d.\n"
+                      "-> Non-IMF codestream will be generated\n",
+                      parameters->mode);
+        ret = OPJ_FALSE;
+    }
+
+    if (profile == OPJ_PROFILE_IMF_2K ||
+            profile == OPJ_PROFILE_IMF_4K ||
+            profile == OPJ_PROFILE_IMF_8K) {
+        /* Expect 9-7 transform */
+        if (parameters->irreversible != 1) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF 2K/4K/8K profiles require 9-7 Irreversible Transform.\n"
+                          "-> Compression parameters set it to reversible.\n"
+                          "-> Non-IMF codestream will be generated\n");
+            ret = OPJ_FALSE;
+        }
+    } else {
+        /* Expect 5-3 transform */
+        if (parameters->irreversible != 0) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF 2K/4K/8K profiles require 5-3 reversible Transform.\n"
+                          "-> Compression parameters set it to irreversible.\n"
+                          "-> Non-IMF codestream will be generated\n");
+            ret = OPJ_FALSE;
+        }
+    }
+
+    /* Number of layers */
+    if (parameters->tcp_numlayers != 1) {
+        opj_event_msg(p_manager, EVT_WARNING,
+                      "IMF 2K/4K/8K profiles require 1 single quality layer.\n"
+                      "-> Number of layers is %d.\n"
+                      "-> Non-IMF codestream will be generated\n",
+                      parameters->tcp_numlayers);
+        ret = OPJ_FALSE;
+    }
+
+    /* Decomposition levels */
+    switch (profile) {
+    case OPJ_PROFILE_IMF_2K:
+        if (!(NL >= 1 && NL <= 5)) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF 2K profile requires 1 <= NL <= 5:\n"
+                          "-> Number of decomposition levels is %d.\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          NL);
+            ret = OPJ_FALSE;
+        }
+        break;
+    case OPJ_PROFILE_IMF_4K:
+        if (!(NL >= 1 && NL <= 6)) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF 4K profile requires 1 <= NL <= 6:\n"
+                          "-> Number of decomposition levels is %d.\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          NL);
+            ret = OPJ_FALSE;
+        }
+        break;
+    case OPJ_PROFILE_IMF_8K:
+        if (!(NL >= 1 && NL <= 7)) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF 8K profile requires 1 <= NL <= 7:\n"
+                          "-> Number of decomposition levels is %d.\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          NL);
+            ret = OPJ_FALSE;
+        }
+        break;
+    case OPJ_PROFILE_IMF_2K_R: {
+        if (XTsiz >= 2048) {
+            if (!(NL >= 1 && NL <= 5)) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 2K_R profile requires 1 <= NL <= 5 for XTsiz >= 2048:\n"
+                              "-> Number of decomposition levels is %d.\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              NL);
+                ret = OPJ_FALSE;
+            }
+        } else if (XTsiz >= 1024) {
+            if (!(NL >= 1 && NL <= 4)) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 2K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
+                              "-> Number of decomposition levels is %d.\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              NL);
+                ret = OPJ_FALSE;
+            }
+        }
+        break;
+    }
+    case OPJ_PROFILE_IMF_4K_R: {
+        if (XTsiz >= 4096) {
+            if (!(NL >= 1 && NL <= 6)) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 4K_R profile requires 1 <= NL <= 6 for XTsiz >= 4096:\n"
+                              "-> Number of decomposition levels is %d.\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              NL);
+                ret = OPJ_FALSE;
+            }
+        } else if (XTsiz >= 2048) {
+            if (!(NL >= 1 && NL <= 5)) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 4K_R profile requires 1 <= NL <= 5 for XTsiz in [2048,4096[:\n"
+                              "-> Number of decomposition levels is %d.\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              NL);
+                ret = OPJ_FALSE;
+            }
+        } else if (XTsiz >= 1024) {
+            if (!(NL >= 1 && NL <= 4)) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 4K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
+                              "-> Number of decomposition levels is %d.\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              NL);
+                ret = OPJ_FALSE;
+            }
+        }
+        break;
+    }
+    case OPJ_PROFILE_IMF_8K_R: {
+        if (XTsiz >= 8192) {
+            if (!(NL >= 1 && NL <= 7)) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 4K_R profile requires 1 <= NL <= 7 for XTsiz >= 8192:\n"
+                              "-> Number of decomposition levels is %d.\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              NL);
+                ret = OPJ_FALSE;
+            }
+        } else if (XTsiz >= 4096) {
+            if (!(NL >= 1 && NL <= 6)) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 4K_R profile requires 1 <= NL <= 6 for XTsiz in [4096,8192[:\n"
+                              "-> Number of decomposition levels is %d.\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              NL);
+                ret = OPJ_FALSE;
+            }
+        } else if (XTsiz >= 2048) {
+            if (!(NL >= 1 && NL <= 5)) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 4K_R profile requires 1 <= NL <= 5 for XTsiz in [2048,4096[:\n"
+                              "-> Number of decomposition levels is %d.\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              NL);
+                ret = OPJ_FALSE;
+            }
+        } else if (XTsiz >= 1024) {
+            if (!(NL >= 1 && NL <= 4)) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF 4K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
+                              "-> Number of decomposition levels is %d.\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              NL);
+                ret = OPJ_FALSE;
+            }
+        }
+        break;
+    }
+    default:
+        break;
+    }
+
+    if (parameters->numresolution == 1) {
+        if (parameters->res_spec != 1 ||
+                parameters->prcw_init[0] != 128 ||
+                parameters->prch_init[0] != 128) {
+            opj_event_msg(p_manager, EVT_WARNING,
+                          "IMF profiles require PPx = PPy = 7 for NLLL band, else 8.\n"
+                          "-> Supplied values are different from that.\n"
+                          "-> Non-IMF codestream will be generated\n",
+                          NL);
+            ret = OPJ_FALSE;
+        }
+    } else {
+        int i;
+        for (i = 0; i < parameters->res_spec; i++) {
+            if (parameters->prcw_init[i] != 256 ||
+                    parameters->prch_init[i] != 256) {
+                opj_event_msg(p_manager, EVT_WARNING,
+                              "IMF profiles require PPx = PPy = 7 for NLLL band, else 8.\n"
+                              "-> Supplied values are different from that.\n"
+                              "-> Non-IMF codestream will be generated\n",
+                              NL);
+                ret = OPJ_FALSE;
+            }
+        }
+    }
+
+    return ret;
+}
+
+
 OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
                                opj_cparameters_t *parameters,
                                opj_image_t *image,
@@ -6951,6 +7683,15 @@
     } else {
         OPJ_FLOAT32 temp_rate;
         OPJ_BOOL cap = OPJ_FALSE;
+
+        if (OPJ_IS_IMF(parameters->rsiz) && parameters->max_cs_size > 0 &&
+                parameters->tcp_numlayers == 1 && parameters->tcp_rates[0] == 0) {
+            parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
+                                       image->comps[0].h * image->comps[0].prec) /
+                                       (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
+                                               image->comps[0].dy);
+        }
+
         temp_rate = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
                                    image->comps[0].h * image->comps[0].prec) /
                                   (((double)parameters->max_cs_size) * 8 * image->comps[0].dx *
@@ -6991,9 +7732,10 @@
                       "JPEG 2000 Broadcast profiles not yet supported\n");
         parameters->rsiz = OPJ_PROFILE_NONE;
     } else if (OPJ_IS_IMF(parameters->rsiz)) {
-        opj_event_msg(p_manager, EVT_WARNING,
-                      "JPEG 2000 IMF profiles not yet supported\n");
-        parameters->rsiz = OPJ_PROFILE_NONE;
+        opj_j2k_set_imf_parameters(parameters, image, p_manager);
+        if (!opj_j2k_is_imf_compliant(parameters, image, p_manager)) {
+            parameters->rsiz = OPJ_PROFILE_NONE;
+        }
     } else if (OPJ_IS_PART2(parameters->rsiz)) {
         if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) {
             opj_event_msg(p_manager, EVT_WARNING,
@@ -7085,6 +7827,14 @@
     */
 
     if (parameters->tile_size_on) {
+        if (cp->tdx == 0) {
+            opj_event_msg(p_manager, EVT_ERROR, "Invalid tile width\n");
+            return OPJ_FALSE;
+        }
+        if (cp->tdy == 0) {
+            opj_event_msg(p_manager, EVT_ERROR, "Invalid tile height\n");
+            return OPJ_FALSE;
+        }
         cp->tw = opj_uint_ceildiv(image->x1 - cp->tx0, cp->tdx);
         cp->th = opj_uint_ceildiv(image->y1 - cp->ty0, cp->tdy);
     } else {
@@ -7161,20 +7911,13 @@
                       "Not enough memory to allocate tile coding parameters\n");
         return OPJ_FALSE;
     }
-    if (parameters->numpocs) {
-        /* initialisation of POC */
-        opj_j2k_check_poc_val(parameters->POC, parameters->numpocs,
-                              (OPJ_UINT32)parameters->numresolution, image->numcomps,
-                              (OPJ_UINT32)parameters->tcp_numlayers, p_manager);
-        /* TODO MSD use the return value*/
-    }
 
     for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
         opj_tcp_t *tcp = &cp->tcps[tileno];
         tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
 
         for (j = 0; j < tcp->numlayers; j++) {
-            if (OPJ_IS_CINEMA(cp->rsiz)) {
+            if (OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)) {
                 if (cp->m_specific_param.m_enc.m_fixed_quality) {
                     tcp->distoratio[j] = parameters->tcp_distoratio[j];
                 }
@@ -7201,16 +7944,22 @@
 
         if (parameters->numpocs) {
             /* initialisation of POC */
-            tcp->POC = 1;
             for (i = 0; i < parameters->numpocs; i++) {
                 if (tileno + 1 == parameters->POC[i].tile)  {
                     opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
 
+                    if (parameters->POC[numpocs_tile].compno0 >= image->numcomps) {
+                        opj_event_msg(p_manager, EVT_ERROR,
+                                      "Invalid compno0 for POC %d\n", i);
+                        return OPJ_FALSE;
+                    }
+
                     tcp_poc->resno0         = parameters->POC[numpocs_tile].resno0;
                     tcp_poc->compno0        = parameters->POC[numpocs_tile].compno0;
                     tcp_poc->layno1         = parameters->POC[numpocs_tile].layno1;
                     tcp_poc->resno1         = parameters->POC[numpocs_tile].resno1;
-                    tcp_poc->compno1        = parameters->POC[numpocs_tile].compno1;
+                    tcp_poc->compno1        = opj_uint_min(parameters->POC[numpocs_tile].compno1,
+                                                           image->numcomps);
                     tcp_poc->prg1           = parameters->POC[numpocs_tile].prg1;
                     tcp_poc->tile           = parameters->POC[numpocs_tile].tile;
 
@@ -7218,7 +7967,16 @@
                 }
             }
 
-            tcp->numpocs = numpocs_tile - 1 ;
+            if (numpocs_tile) {
+
+                /* TODO MSD use the return value*/
+                opj_j2k_check_poc_val(parameters->POC, tileno, parameters->numpocs,
+                                      (OPJ_UINT32)parameters->numresolution, image->numcomps,
+                                      (OPJ_UINT32)parameters->tcp_numlayers, p_manager);
+
+                tcp->POC = 1;
+                tcp->numpocs = numpocs_tile - 1 ;
+            }
         } else {
             tcp->numpocs = 0;
         }
@@ -7546,6 +8304,8 @@
 
     /*Allocate and initialize some elements of codestrem index*/
     if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
+        opj_image_destroy(*p_image);
+        *p_image = NULL;
         return OPJ_FALSE;
     }
 
@@ -8632,6 +9392,7 @@
     OPJ_UINT32 l_marker_size;
     const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
     opj_tcp_t * l_tcp = NULL;
+    const OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
 
     /* preconditions */
     assert(p_stream != 00);
@@ -8807,7 +9568,6 @@
                     return OPJ_FALSE;
                 }
                 if (l_correction_needed) {
-                    OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
                     OPJ_UINT32 l_tile_no;
 
                     p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
@@ -8822,27 +9582,42 @@
                                   "Non conformant codestream TPsot==TNsot.\n");
                 }
             }
-            if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
-                /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
-                if (opj_stream_read_data(p_stream,
-                                         p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
-                    opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
-                    return OPJ_FALSE;
-                }
-
-                /* Read 2 bytes from buffer as the new marker ID */
-                opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
-                               &l_current_marker, 2);
-            }
         } else {
             /* Indicate we will try to read a new tile-part header*/
             p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
             p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
             p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
+        }
 
+        if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
             /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
             if (opj_stream_read_data(p_stream,
                                      p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
+
+                /* Deal with likely non conformant SPOT6 files, where the last */
+                /* row of tiles have TPsot == 0 and TNsot == 0, and missing EOC, */
+                /* but no other tile-parts were found. */
+                if (p_j2k->m_current_tile_number + 1 == l_nb_tiles) {
+                    OPJ_UINT32 l_tile_no;
+                    for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
+                        if (p_j2k->m_cp.tcps[l_tile_no].m_current_tile_part_number == 0 &&
+                                p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts == 0) {
+                            break;
+                        }
+                    }
+                    if (l_tile_no < l_nb_tiles) {
+                        opj_event_msg(p_manager, EVT_INFO,
+                                      "Tile %u has TPsot == 0 and TNsot == 0, "
+                                      "but no other tile-parts were found. "
+                                      "EOC is also missing.\n",
+                                      l_tile_no);
+                        p_j2k->m_current_tile_number = l_tile_no;
+                        l_current_marker = J2K_MS_EOC;
+                        p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
+                        break;
+                    }
+                }
+
                 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
                 return OPJ_FALSE;
             }
@@ -8861,9 +9636,8 @@
         }
     }
 
-    /* FIXME DOC ???*/
+    /* Deal with tiles that have a single tile-part with TPsot == 0 and TNsot == 0 */
     if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
-        OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
         l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
 
         while ((p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00)) {
@@ -9245,30 +10019,40 @@
 
     l_img_comp = p_image->comps;
     for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
+        OPJ_INT32 l_h, l_w;
+        if (p_image->x0 > (OPJ_UINT32)INT_MAX ||
+                p_image->y0 > (OPJ_UINT32)INT_MAX ||
+                p_image->x1 > (OPJ_UINT32)INT_MAX ||
+                p_image->y1 > (OPJ_UINT32)INT_MAX) {
+            opj_event_msg(p_manager, EVT_ERROR,
+                          "Image coordinates above INT_MAX are not supported\n");
+            return OPJ_FALSE;
+        }
+
         l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
         l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
         l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
         l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
 
-        OPJ_INT32 l_1 = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor);
-        OPJ_INT32 l_2 = opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
-        if (l_1 < l_2) {
+        l_w = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor)
+              - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
+        if (l_w < 0) {
             opj_event_msg(p_manager, EVT_ERROR,
-                          "Size x of the decoded component image is incorrect (comp[%d].w<0).\n",
-                          it_comp);
+                          "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
+                          it_comp, l_w);
             return OPJ_FALSE;
         }
-        l_img_comp->w = (OPJ_UINT32)(l_1-l_2);
+        l_img_comp->w = (OPJ_UINT32)l_w;
 
-        l_1 = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor);
-        l_2 = opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
-        if (l_1 < l_2) {
+        l_h = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor)
+              - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
+        if (l_h < 0) {
             opj_event_msg(p_manager, EVT_ERROR,
-                          "Size y of the decoded component image is incorrect (comp[%d].h<0).\n",
-                          it_comp);
+                          "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
+                          it_comp, l_h);
             return OPJ_FALSE;
         }
-        l_img_comp->h = (OPJ_UINT32)(l_1-l_2);
+        l_img_comp->h = (OPJ_UINT32)l_h;
 
         l_img_comp++;
     }
@@ -9764,9 +10548,9 @@
         return OPJ_FALSE;
     }
 
-    opj_read_bytes(l_current_ptr, &l_tccp->numresolutions,
-                   1);              /* SPcox (D) */
-    ++l_tccp->numresolutions;                                                                               /* tccp->numresolutions = read() + 1 */
+    /* SPcod (D) / SPcoc (A) */
+    opj_read_bytes(l_current_ptr, &l_tccp->numresolutions, 1);
+    ++l_tccp->numresolutions;  /* tccp->numresolutions = read() + 1 */
     if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) {
         opj_event_msg(p_manager, EVT_ERROR,
                       "Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n",
@@ -9787,11 +10571,13 @@
         return OPJ_FALSE;
     }
 
-    opj_read_bytes(l_current_ptr, &l_tccp->cblkw, 1);               /* SPcoc (E) */
+    /* SPcod (E) / SPcoc (B) */
+    opj_read_bytes(l_current_ptr, &l_tccp->cblkw, 1);
     ++l_current_ptr;
     l_tccp->cblkw += 2;
 
-    opj_read_bytes(l_current_ptr, &l_tccp->cblkh, 1);               /* SPcoc (F) */
+    /* SPcod (F) / SPcoc (C) */
+    opj_read_bytes(l_current_ptr, &l_tccp->cblkh, 1);
     ++l_current_ptr;
     l_tccp->cblkh += 2;
 
@@ -9802,8 +10588,8 @@
         return OPJ_FALSE;
     }
 
-
-    opj_read_bytes(l_current_ptr, &l_tccp->cblksty, 1);             /* SPcoc (G) */
+    /* SPcod (G) / SPcoc (D) */
+    opj_read_bytes(l_current_ptr, &l_tccp->cblksty, 1);
     ++l_current_ptr;
     if (l_tccp->cblksty & 0xC0U) { /* 2 msb are reserved, assume we can't read */
         opj_event_msg(p_manager, EVT_ERROR,
@@ -9811,7 +10597,8 @@
         return OPJ_FALSE;
     }
 
-    opj_read_bytes(l_current_ptr, &l_tccp->qmfbid, 1);              /* SPcoc (H) */
+    /* SPcod (H) / SPcoc (E) */
+    opj_read_bytes(l_current_ptr, &l_tccp->qmfbid, 1);
     ++l_current_ptr;
 
     if (l_tccp->qmfbid > 1) {
@@ -9829,8 +10616,9 @@
             return OPJ_FALSE;
         }
 
+        /* SPcod (I_i) / SPcoc (F_i) */
         for (i = 0; i < l_tccp->numresolutions; ++i) {
-            opj_read_bytes(l_current_ptr, &l_tmp, 1);               /* SPcoc (I_i) */
+            opj_read_bytes(l_current_ptr, &l_tmp, 1);
             ++l_current_ptr;
             /* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */
             if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) {
@@ -10675,6 +11463,42 @@
     return OPJ_TRUE;
 }
 
+static OPJ_BOOL opj_j2k_are_all_used_components_decoded(opj_j2k_t *p_j2k,
+        opj_event_mgr_t * p_manager)
+{
+    OPJ_UINT32 compno;
+    OPJ_BOOL decoded_all_used_components = OPJ_TRUE;
+
+    if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode) {
+        for (compno = 0;
+                compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
+            OPJ_UINT32 dec_compno =
+                p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
+            if (p_j2k->m_output_image->comps[dec_compno].data == NULL) {
+                opj_event_msg(p_manager, EVT_WARNING, "Failed to decode component %d\n",
+                              dec_compno);
+                decoded_all_used_components = OPJ_FALSE;
+            }
+        }
+    } else {
+        for (compno = 0; compno < p_j2k->m_output_image->numcomps; compno++) {
+            if (p_j2k->m_output_image->comps[compno].data == NULL) {
+                opj_event_msg(p_manager, EVT_WARNING, "Failed to decode component %d\n",
+                              compno);
+                decoded_all_used_components = OPJ_FALSE;
+            }
+        }
+    }
+
+    if (decoded_all_used_components == OPJ_FALSE) {
+        opj_event_msg(p_manager, EVT_ERROR, "Failed to decode all used components\n");
+        return OPJ_FALSE;
+    }
+
+    return OPJ_TRUE;
+}
+
+
 static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
                                      opj_stream_private_t *p_stream,
                                      opj_event_mgr_t * p_manager)
@@ -10786,6 +11610,10 @@
         }
     }
 
+    if (! opj_j2k_are_all_used_components_decoded(p_j2k, p_manager)) {
+        return OPJ_FALSE;
+    }
+
     return OPJ_TRUE;
 }
 
@@ -10914,6 +11742,10 @@
 
     }
 
+    if (! opj_j2k_are_all_used_components_decoded(p_j2k, p_manager)) {
+        return OPJ_FALSE;
+    }
+
     return OPJ_TRUE;
 }
 
@@ -11198,6 +12030,42 @@
     return OPJ_FALSE;
 }
 
+/* ----------------------------------------------------------------------- */
+
+OPJ_BOOL opj_j2k_encoder_set_extra_options(
+    opj_j2k_t *p_j2k,
+    const char* const* p_options,
+    opj_event_mgr_t * p_manager)
+{
+    const char* const* p_option_iter;
+
+    if (p_options == NULL) {
+        return OPJ_TRUE;
+    }
+
+    for (p_option_iter = p_options; *p_option_iter != NULL; ++p_option_iter) {
+        if (strncmp(*p_option_iter, "PLT=", 4) == 0) {
+            if (strcmp(*p_option_iter, "PLT=YES") == 0) {
+                p_j2k->m_specific_param.m_encoder.m_PLT = OPJ_TRUE;
+            } else if (strcmp(*p_option_iter, "PLT=NO") == 0) {
+                p_j2k->m_specific_param.m_encoder.m_PLT = OPJ_FALSE;
+            } else {
+                opj_event_msg(p_manager, EVT_ERROR,
+                              "Invalid value for option: %s.\n", *p_option_iter);
+                return OPJ_FALSE;
+            }
+        } else {
+            opj_event_msg(p_manager, EVT_ERROR,
+                          "Invalid option: %s.\n", *p_option_iter);
+            return OPJ_FALSE;
+        }
+    }
+
+    return OPJ_TRUE;
+}
+
+/* ----------------------------------------------------------------------- */
+
 OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
                         opj_stream_private_t *p_stream,
                         opj_event_mgr_t * p_manager)
@@ -11255,7 +12123,7 @@
                 }
             }
         }
-        l_current_tile_size = opj_tcd_get_encoded_tile_size(p_j2k->m_tcd);
+        l_current_tile_size = opj_tcd_get_encoder_input_buffer_size(p_j2k->m_tcd);
         if (!l_reuse_data) {
             if (l_current_tile_size > l_max_tile_size) {
                 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data,
@@ -11581,7 +12449,7 @@
         return OPJ_FALSE;
     }
 
-    if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
+    if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz) || OPJ_IS_IMF(p_j2k->m_cp.rsiz)) {
         if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
                                                (opj_procedure)opj_j2k_write_updated_tlm, p_manager)) {
             return OPJ_FALSE;
@@ -11664,7 +12532,7 @@
         return OPJ_FALSE;
     }
 
-    if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
+    if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz) || OPJ_IS_IMF(p_j2k->m_cp.rsiz)) {
         if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
                                                (opj_procedure)opj_j2k_write_tlm, p_manager)) {
             return OPJ_FALSE;
@@ -11691,7 +12559,8 @@
     }
 
     /* DEVELOPER CORNER, insert your custom procedures */
-    if (p_j2k->m_cp.rsiz & OPJ_EXTENSION_MCT) {
+    if ((p_j2k->m_cp.rsiz & (OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT)) ==
+            (OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT)) {
         if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
                                                (opj_procedure)opj_j2k_write_mct_data_group, p_manager)) {
             return OPJ_FALSE;
@@ -11721,7 +12590,7 @@
 static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
         OPJ_BYTE * p_data,
         OPJ_UINT32 * p_data_written,
-        OPJ_UINT32 p_total_data_size,
+        OPJ_UINT32 total_data_size,
         opj_stream_private_t *p_stream,
         struct opj_event_mgr * p_manager)
 {
@@ -11745,7 +12614,7 @@
 
     l_current_nb_bytes_written = 0;
     l_begin_data = p_data;
-    if (! opj_j2k_write_sot(p_j2k, p_data, p_total_data_size,
+    if (! opj_j2k_write_sot(p_j2k, p_data, total_data_size,
                             &l_current_nb_bytes_written, p_stream,
                             p_manager)) {
         return OPJ_FALSE;
@@ -11753,7 +12622,7 @@
 
     l_nb_bytes_written += l_current_nb_bytes_written;
     p_data += l_current_nb_bytes_written;
-    p_total_data_size -= l_current_nb_bytes_written;
+    total_data_size -= l_current_nb_bytes_written;
 
     if (!OPJ_IS_CINEMA(l_cp->rsiz)) {
 #if 0
@@ -11763,29 +12632,29 @@
                                         p_manager);
             l_nb_bytes_written += l_current_nb_bytes_written;
             p_data += l_current_nb_bytes_written;
-            p_total_data_size -= l_current_nb_bytes_written;
+            total_data_size -= l_current_nb_bytes_written;
 
             l_current_nb_bytes_written = 0;
             opj_j2k_write_qcc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
                                         p_manager);
             l_nb_bytes_written += l_current_nb_bytes_written;
             p_data += l_current_nb_bytes_written;
-            p_total_data_size -= l_current_nb_bytes_written;
+            total_data_size -= l_current_nb_bytes_written;
         }
 #endif
-        if (l_cp->tcps[p_j2k->m_current_tile_number].numpocs) {
+        if (l_cp->tcps[p_j2k->m_current_tile_number].POC) {
             l_current_nb_bytes_written = 0;
             opj_j2k_write_poc_in_memory(p_j2k, p_data, &l_current_nb_bytes_written,
                                         p_manager);
             l_nb_bytes_written += l_current_nb_bytes_written;
             p_data += l_current_nb_bytes_written;
-            p_total_data_size -= l_current_nb_bytes_written;
+            total_data_size -= l_current_nb_bytes_written;
         }
     }
 
     l_current_nb_bytes_written = 0;
     if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
-                            p_total_data_size, p_stream, p_manager)) {
+                            total_data_size, p_stream, p_manager)) {
         return OPJ_FALSE;
     }
 
@@ -11796,7 +12665,7 @@
     opj_write_bytes(l_begin_data + 6, l_nb_bytes_written,
                     4);                                 /* PSOT */
 
-    if (OPJ_IS_CINEMA(l_cp->rsiz)) {
+    if (OPJ_IS_CINEMA(l_cp->rsiz) || OPJ_IS_IMF(l_cp->rsiz)) {
         opj_j2k_update_tlm(p_j2k, l_nb_bytes_written);
     }
 
@@ -11806,7 +12675,7 @@
 static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
         OPJ_BYTE * p_data,
         OPJ_UINT32 * p_data_written,
-        OPJ_UINT32 p_total_data_size,
+        OPJ_UINT32 total_data_size,
         opj_stream_private_t *p_stream,
         struct opj_event_mgr * p_manager
                                             )
@@ -11839,7 +12708,7 @@
         l_begin_data = p_data;
 
         if (! opj_j2k_write_sot(p_j2k, p_data,
-                                p_total_data_size,
+                                total_data_size,
                                 &l_current_nb_bytes_written,
                                 p_stream,
                                 p_manager)) {
@@ -11848,25 +12717,25 @@
 
         l_nb_bytes_written += l_current_nb_bytes_written;
         p_data += l_current_nb_bytes_written;
-        p_total_data_size -= l_current_nb_bytes_written;
+        total_data_size -= l_current_nb_bytes_written;
         l_part_tile_size += l_current_nb_bytes_written;
 
         l_current_nb_bytes_written = 0;
         if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
-                                p_total_data_size, p_stream, p_manager)) {
+                                total_data_size, p_stream, p_manager)) {
             return OPJ_FALSE;
         }
 
         p_data += l_current_nb_bytes_written;
         l_nb_bytes_written += l_current_nb_bytes_written;
-        p_total_data_size -= l_current_nb_bytes_written;
+        total_data_size -= l_current_nb_bytes_written;
         l_part_tile_size += l_current_nb_bytes_written;
 
         /* Writing Psot in SOT marker */
         opj_write_bytes(l_begin_data + 6, l_part_tile_size,
                         4);                                   /* PSOT */
 
-        if (OPJ_IS_CINEMA(l_cp->rsiz)) {
+        if (OPJ_IS_CINEMA(l_cp->rsiz) || OPJ_IS_IMF(l_cp->rsiz)) {
             opj_j2k_update_tlm(p_j2k, l_part_tile_size);
         }
 
@@ -11885,7 +12754,7 @@
             l_begin_data = p_data;
 
             if (! opj_j2k_write_sot(p_j2k, p_data,
-                                    p_total_data_size,
+                                    total_data_size,
                                     &l_current_nb_bytes_written, p_stream,
                                     p_manager)) {
                 return OPJ_FALSE;
@@ -11893,26 +12762,26 @@
 
             l_nb_bytes_written += l_current_nb_bytes_written;
             p_data += l_current_nb_bytes_written;
-            p_total_data_size -= l_current_nb_bytes_written;
+            total_data_size -= l_current_nb_bytes_written;
             l_part_tile_size += l_current_nb_bytes_written;
 
             l_current_nb_bytes_written = 0;
 
             if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
-                                    p_total_data_size, p_stream, p_manager)) {
+                                    total_data_size, p_stream, p_manager)) {
                 return OPJ_FALSE;
             }
 
             l_nb_bytes_written += l_current_nb_bytes_written;
             p_data += l_current_nb_bytes_written;
-            p_total_data_size -= l_current_nb_bytes_written;
+            total_data_size -= l_current_nb_bytes_written;
             l_part_tile_size += l_current_nb_bytes_written;
 
             /* Writing Psot in SOT marker */
             opj_write_bytes(l_begin_data + 6, l_part_tile_size,
                             4);                                   /* PSOT */
 
-            if (OPJ_IS_CINEMA(l_cp->rsiz)) {
+            if (OPJ_IS_CINEMA(l_cp->rsiz) || OPJ_IS_IMF(l_cp->rsiz)) {
                 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
             }
 
diff --git a/third_party/libopenjpeg20/j2k.h b/third_party/libopenjpeg20/j2k.h
index 5d393c9..9eb50b5 100644
--- a/third_party/libopenjpeg20/j2k.h
+++ b/third_party/libopenjpeg20/j2k.h
@@ -531,8 +531,14 @@
     OPJ_BYTE * m_header_tile_data;
 
     /* size of the encoded_data */
+
     OPJ_UINT32 m_header_tile_data_size;
 
+    /* whether to generate PLT markers */
+    OPJ_BOOL   m_PLT;
+
+    /* reserved bytes in m_encoded_tile_size for PLT markers */
+    OPJ_UINT32 m_reserved_bytes_for_PLT;
 
 } opj_j2k_enc_t;
 
@@ -577,15 +583,16 @@
     /** the current tile coder/decoder **/
     struct opj_tcd *    m_tcd;
 
-    /** Number of threads to use */
-    int m_num_threads;
-
     /** Thread pool */
     opj_thread_pool_t* m_tp;
 
+    /** Image width coming from JP2 IHDR box. 0 from a pure codestream */
     OPJ_UINT32 ihdr_w;
+
+    /** Image height coming from JP2 IHDR box. 0 from a pure codestream */
     OPJ_UINT32 ihdr_h;
-    OPJ_UINT32 enumcs;
+
+    /** Set to 1 by the decoder initialization if OPJ_DPARAMETERS_DUMP_FLAG is set */
     unsigned int dump_state;
 }
 opj_j2k_t;
@@ -827,6 +834,19 @@
         OPJ_UINT32 res_factor,
         opj_event_mgr_t * p_manager);
 
+/**
+ * Specify extra options for the encoder.
+ *
+ * @param  p_j2k        the jpeg2000 codec.
+ * @param  p_options    options
+ * @param  p_manager    the user event manager
+ *
+ * @see opj_encoder_set_extra_options() for more details.
+ */
+OPJ_BOOL opj_j2k_encoder_set_extra_options(
+    opj_j2k_t *p_j2k,
+    const char* const* p_options,
+    opj_event_mgr_t * p_manager);
 
 /**
  * Writes a tile.
diff --git a/third_party/libopenjpeg20/jp2.c b/third_party/libopenjpeg20/jp2.c
index 1f61a23..02f3d04 100644
--- a/third_party/libopenjpeg20/jp2.c
+++ b/third_party/libopenjpeg20/jp2.c
@@ -586,6 +586,12 @@
     opj_read_bytes(p_image_header_data, &(jp2->numcomps), 2);   /* NC */
     p_image_header_data += 2;
 
+    if (jp2->h < 1 || jp2->w < 1 || jp2->numcomps < 1) {
+        opj_event_msg(p_manager, EVT_ERROR,
+                      "Wrong values for: w(%d) h(%d) numcomps(%d) (ihdr)\n",
+                      jp2->w, jp2->h, jp2->numcomps);
+        return OPJ_FALSE;
+    }
     if ((jp2->numcomps - 1U) >=
             16384U) { /* unsigned underflow is well defined: 1U <= jp2->numcomps <= 16384U */
         opj_event_msg(p_manager, EVT_ERROR, "Invalid number of components (ihdr)\n");
@@ -1317,7 +1323,7 @@
 
 
     for (i = 0; i < nr_channels; ++i) {
-        opj_read_bytes_BE(p_cmap_header_data, &l_value, 2);     /* CMP^i */
+        opj_read_bytes_BE(p_cmap_header_data, &l_value, 2);         /* CMP^i */
         p_cmap_header_data += 2;
         cmap[i].cmp = (OPJ_UINT16) l_value;
 
@@ -1599,9 +1605,7 @@
                       "COLR BOX meth value is not a regular value (%d), "
                       "so we will ignore the entire Colour Specification box. \n", jp2->meth);
     }
-    if (jp2->color.jp2_has_colr) {
-        jp2->j2k->enumcs = jp2->enumcs;
-    }
+
     return OPJ_TRUE;
 }
 
@@ -3252,6 +3256,18 @@
     return opj_j2k_set_decoded_resolution_factor(p_jp2->j2k, res_factor, p_manager);
 }
 
+/* ----------------------------------------------------------------------- */
+
+OPJ_BOOL opj_jp2_encoder_set_extra_options(
+    opj_jp2_t *p_jp2,
+    const char* const* p_options,
+    opj_event_mgr_t * p_manager)
+{
+    return opj_j2k_encoder_set_extra_options(p_jp2->j2k, p_options, p_manager);
+}
+
+/* ----------------------------------------------------------------------- */
+
 /* JPIP specific */
 
 #ifdef USE_JPIP
diff --git a/third_party/libopenjpeg20/jp2.h b/third_party/libopenjpeg20/jp2.h
index 34abd51..9e7fa56 100644
--- a/third_party/libopenjpeg20/jp2.h
+++ b/third_party/libopenjpeg20/jp2.h
@@ -459,6 +459,20 @@
         OPJ_UINT32 res_factor,
         opj_event_mgr_t * p_manager);
 
+/**
+ * Specify extra options for the encoder.
+ *
+ * @param  p_jp2        the jpeg2000 codec.
+ * @param  p_options    options
+ * @param  p_manager    the user event manager
+ *
+ * @see opj_encoder_set_extra_options() for more details.
+ */
+OPJ_BOOL opj_jp2_encoder_set_extra_options(
+    opj_jp2_t *p_jp2,
+    const char* const* p_options,
+    opj_event_mgr_t * p_manager);
+
 
 /* TODO MSD: clean these 3 functions */
 /**
diff --git a/third_party/libopenjpeg20/mct.c b/third_party/libopenjpeg20/mct.c
index 81ec223..c4c2e73 100644
--- a/third_party/libopenjpeg20/mct.c
+++ b/third_party/libopenjpeg20/mct.c
@@ -46,7 +46,6 @@
 #include <emmintrin.h>
 #endif
 #if defined(__SSE4_1__) && !defined(_M_IX86) && !defined(__i386)
-#define USE_SSE4
 #include <smmintrin.h>
 #endif
 
@@ -186,7 +185,7 @@
     OPJ_INT32* OPJ_RESTRICT c2,
     OPJ_SIZE_T n)
 {
-    OPJ_UINT32 i;
+    OPJ_SIZE_T i;
     for (i = 0; i < n; ++i) {
         OPJ_INT32 y = c0[i];
         OPJ_INT32 u = c1[i];
@@ -212,175 +211,72 @@
 /* <summary> */
 /* Forward irreversible MCT. */
 /* </summary> */
-#ifdef USE_SSE4
 void opj_mct_encode_real(
-    OPJ_INT32* OPJ_RESTRICT c0,
-    OPJ_INT32* OPJ_RESTRICT c1,
-    OPJ_INT32* OPJ_RESTRICT c2,
+    OPJ_FLOAT32* OPJ_RESTRICT c0,
+    OPJ_FLOAT32* OPJ_RESTRICT c1,
+    OPJ_FLOAT32* OPJ_RESTRICT c2,
     OPJ_SIZE_T n)
 {
     OPJ_SIZE_T i;
-    const OPJ_SIZE_T len = n;
+#ifdef USE_SSE
+    const __m128 YR = _mm_set1_ps(0.299f);
+    const __m128 YG = _mm_set1_ps(0.587f);
+    const __m128 YB = _mm_set1_ps(0.114f);
+    const __m128 UR = _mm_set1_ps(-0.16875f);
+    const __m128 UG = _mm_set1_ps(-0.331260f);
+    const __m128 UB = _mm_set1_ps(0.5f);
+    const __m128 VR = _mm_set1_ps(0.5f);
+    const __m128 VG = _mm_set1_ps(-0.41869f);
+    const __m128 VB = _mm_set1_ps(-0.08131f);
+    for (i = 0; i < (n >> 3); i ++) {
+        __m128 r, g, b, y, u, v;
 
-    const __m128i ry = _mm_set1_epi32(2449);
-    const __m128i gy = _mm_set1_epi32(4809);
-    const __m128i by = _mm_set1_epi32(934);
-    const __m128i ru = _mm_set1_epi32(1382);
-    const __m128i gu = _mm_set1_epi32(2714);
-    /* const __m128i bu = _mm_set1_epi32(4096); */
-    /* const __m128i rv = _mm_set1_epi32(4096); */
-    const __m128i gv = _mm_set1_epi32(3430);
-    const __m128i bv = _mm_set1_epi32(666);
-    const __m128i mulround = _mm_shuffle_epi32(_mm_cvtsi32_si128(4096),
-                             _MM_SHUFFLE(1, 0, 1, 0));
+        r = _mm_load_ps(c0);
+        g = _mm_load_ps(c1);
+        b = _mm_load_ps(c2);
+        y = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, YR), _mm_mul_ps(g, YG)),
+                       _mm_mul_ps(b, YB));
+        u = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, UR), _mm_mul_ps(g, UG)),
+                       _mm_mul_ps(b, UB));
+        v = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, VR), _mm_mul_ps(g, VG)),
+                       _mm_mul_ps(b, VB));
+        _mm_store_ps(c0, y);
+        _mm_store_ps(c1, u);
+        _mm_store_ps(c2, v);
+        c0 += 4;
+        c1 += 4;
+        c2 += 4;
 
-    for (i = 0; i < (len & ~3U); i += 4) {
-        __m128i lo, hi;
-        __m128i y, u, v;
-        __m128i r = _mm_load_si128((const __m128i *) & (c0[i]));
-        __m128i g = _mm_load_si128((const __m128i *) & (c1[i]));
-        __m128i b = _mm_load_si128((const __m128i *) & (c2[i]));
-
-        lo = r;
-        hi = _mm_shuffle_epi32(r, _MM_SHUFFLE(3, 3, 1, 1));
-        lo = _mm_mul_epi32(lo, ry);
-        hi = _mm_mul_epi32(hi, ry);
-        lo = _mm_add_epi64(lo, mulround);
-        hi = _mm_add_epi64(hi, mulround);
-        lo = _mm_srli_epi64(lo, 13);
-        hi = _mm_slli_epi64(hi, 32 - 13);
-        y = _mm_blend_epi16(lo, hi, 0xCC);
-
-        lo = g;
-        hi = _mm_shuffle_epi32(g, _MM_SHUFFLE(3, 3, 1, 1));
-        lo = _mm_mul_epi32(lo, gy);
-        hi = _mm_mul_epi32(hi, gy);
-        lo = _mm_add_epi64(lo, mulround);
-        hi = _mm_add_epi64(hi, mulround);
-        lo = _mm_srli_epi64(lo, 13);
-        hi = _mm_slli_epi64(hi, 32 - 13);
-        y = _mm_add_epi32(y, _mm_blend_epi16(lo, hi, 0xCC));
-
-        lo = b;
-        hi = _mm_shuffle_epi32(b, _MM_SHUFFLE(3, 3, 1, 1));
-        lo = _mm_mul_epi32(lo, by);
-        hi = _mm_mul_epi32(hi, by);
-        lo = _mm_add_epi64(lo, mulround);
-        hi = _mm_add_epi64(hi, mulround);
-        lo = _mm_srli_epi64(lo, 13);
-        hi = _mm_slli_epi64(hi, 32 - 13);
-        y = _mm_add_epi32(y, _mm_blend_epi16(lo, hi, 0xCC));
-        _mm_store_si128((__m128i *) & (c0[i]), y);
-
-        /*lo = b;
-        hi = _mm_shuffle_epi32(b, _MM_SHUFFLE(3, 3, 1, 1));
-        lo = _mm_mul_epi32(lo, mulround);
-        hi = _mm_mul_epi32(hi, mulround);*/
-        lo = _mm_cvtepi32_epi64(_mm_shuffle_epi32(b, _MM_SHUFFLE(3, 2, 2, 0)));
-        hi = _mm_cvtepi32_epi64(_mm_shuffle_epi32(b, _MM_SHUFFLE(3, 2, 3, 1)));
-        lo = _mm_slli_epi64(lo, 12);
-        hi = _mm_slli_epi64(hi, 12);
-        lo = _mm_add_epi64(lo, mulround);
-        hi = _mm_add_epi64(hi, mulround);
-        lo = _mm_srli_epi64(lo, 13);
-        hi = _mm_slli_epi64(hi, 32 - 13);
-        u = _mm_blend_epi16(lo, hi, 0xCC);
-
-        lo = r;
-        hi = _mm_shuffle_epi32(r, _MM_SHUFFLE(3, 3, 1, 1));
-        lo = _mm_mul_epi32(lo, ru);
-        hi = _mm_mul_epi32(hi, ru);
-        lo = _mm_add_epi64(lo, mulround);
-        hi = _mm_add_epi64(hi, mulround);
-        lo = _mm_srli_epi64(lo, 13);
-        hi = _mm_slli_epi64(hi, 32 - 13);
-        u = _mm_sub_epi32(u, _mm_blend_epi16(lo, hi, 0xCC));
-
-        lo = g;
-        hi = _mm_shuffle_epi32(g, _MM_SHUFFLE(3, 3, 1, 1));
-        lo = _mm_mul_epi32(lo, gu);
-        hi = _mm_mul_epi32(hi, gu);
-        lo = _mm_add_epi64(lo, mulround);
-        hi = _mm_add_epi64(hi, mulround);
-        lo = _mm_srli_epi64(lo, 13);
-        hi = _mm_slli_epi64(hi, 32 - 13);
-        u = _mm_sub_epi32(u, _mm_blend_epi16(lo, hi, 0xCC));
-        _mm_store_si128((__m128i *) & (c1[i]), u);
-
-        /*lo = r;
-        hi = _mm_shuffle_epi32(r, _MM_SHUFFLE(3, 3, 1, 1));
-        lo = _mm_mul_epi32(lo, mulround);
-        hi = _mm_mul_epi32(hi, mulround);*/
-        lo = _mm_cvtepi32_epi64(_mm_shuffle_epi32(r, _MM_SHUFFLE(3, 2, 2, 0)));
-        hi = _mm_cvtepi32_epi64(_mm_shuffle_epi32(r, _MM_SHUFFLE(3, 2, 3, 1)));
-        lo = _mm_slli_epi64(lo, 12);
-        hi = _mm_slli_epi64(hi, 12);
-        lo = _mm_add_epi64(lo, mulround);
-        hi = _mm_add_epi64(hi, mulround);
-        lo = _mm_srli_epi64(lo, 13);
-        hi = _mm_slli_epi64(hi, 32 - 13);
-        v = _mm_blend_epi16(lo, hi, 0xCC);
-
-        lo = g;
-        hi = _mm_shuffle_epi32(g, _MM_SHUFFLE(3, 3, 1, 1));
-        lo = _mm_mul_epi32(lo, gv);
-        hi = _mm_mul_epi32(hi, gv);
-        lo = _mm_add_epi64(lo, mulround);
-        hi = _mm_add_epi64(hi, mulround);
-        lo = _mm_srli_epi64(lo, 13);
-        hi = _mm_slli_epi64(hi, 32 - 13);
-        v = _mm_sub_epi32(v, _mm_blend_epi16(lo, hi, 0xCC));
-
-        lo = b;
-        hi = _mm_shuffle_epi32(b, _MM_SHUFFLE(3, 3, 1, 1));
-        lo = _mm_mul_epi32(lo, bv);
-        hi = _mm_mul_epi32(hi, bv);
-        lo = _mm_add_epi64(lo, mulround);
-        hi = _mm_add_epi64(hi, mulround);
-        lo = _mm_srli_epi64(lo, 13);
-        hi = _mm_slli_epi64(hi, 32 - 13);
-        v = _mm_sub_epi32(v, _mm_blend_epi16(lo, hi, 0xCC));
-        _mm_store_si128((__m128i *) & (c2[i]), v);
+        r = _mm_load_ps(c0);
+        g = _mm_load_ps(c1);
+        b = _mm_load_ps(c2);
+        y = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, YR), _mm_mul_ps(g, YG)),
+                       _mm_mul_ps(b, YB));
+        u = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, UR), _mm_mul_ps(g, UG)),
+                       _mm_mul_ps(b, UB));
+        v = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, VR), _mm_mul_ps(g, VG)),
+                       _mm_mul_ps(b, VB));
+        _mm_store_ps(c0, y);
+        _mm_store_ps(c1, u);
+        _mm_store_ps(c2, v);
+        c0 += 4;
+        c1 += 4;
+        c2 += 4;
     }
-    for (; i < len; ++i) {
-        OPJ_INT32 r = c0[i];
-        OPJ_INT32 g = c1[i];
-        OPJ_INT32 b = c2[i];
-        OPJ_INT32 y =  opj_int_fix_mul(r, 2449) + opj_int_fix_mul(g,
-                       4809) + opj_int_fix_mul(b, 934);
-        OPJ_INT32 u = -opj_int_fix_mul(r, 1382) - opj_int_fix_mul(g,
-                      2714) + opj_int_fix_mul(b, 4096);
-        OPJ_INT32 v =  opj_int_fix_mul(r, 4096) - opj_int_fix_mul(g,
-                       3430) - opj_int_fix_mul(b, 666);
-        c0[i] = y;
-        c1[i] = u;
-        c2[i] = v;
-    }
-}
-#else
-void opj_mct_encode_real(
-    OPJ_INT32* OPJ_RESTRICT c0,
-    OPJ_INT32* OPJ_RESTRICT c1,
-    OPJ_INT32* OPJ_RESTRICT c2,
-    OPJ_SIZE_T n)
-{
-    OPJ_UINT32 i;
-    for (i = 0; i < n; ++i) {
-        OPJ_INT32 r = c0[i];
-        OPJ_INT32 g = c1[i];
-        OPJ_INT32 b = c2[i];
-        OPJ_INT32 y =  opj_int_fix_mul(r, 2449) + opj_int_fix_mul(g,
-                       4809) + opj_int_fix_mul(b, 934);
-        OPJ_INT32 u = -opj_int_fix_mul(r, 1382) - opj_int_fix_mul(g,
-                      2714) + opj_int_fix_mul(b, 4096);
-        OPJ_INT32 v =  opj_int_fix_mul(r, 4096) - opj_int_fix_mul(g,
-                       3430) - opj_int_fix_mul(b, 666);
-        c0[i] = y;
-        c1[i] = u;
-        c2[i] = v;
-    }
-}
+    n &= 7;
 #endif
+    for (i = 0; i < n; ++i) {
+        OPJ_FLOAT32 r = c0[i];
+        OPJ_FLOAT32 g = c1[i];
+        OPJ_FLOAT32 b = c2[i];
+        OPJ_FLOAT32 y = 0.299f * r + 0.587f * g + 0.114f * b;
+        OPJ_FLOAT32 u = -0.16875f * r - 0.331260f * g + 0.5f * b;
+        OPJ_FLOAT32 v = 0.5f * r - 0.41869f * g - 0.08131f * b;
+        c0[i] = y;
+        c1[i] = u;
+        c2[i] = v;
+    }
+}
 
 /* <summary> */
 /* Inverse irreversible MCT. */
@@ -391,7 +287,7 @@
     OPJ_FLOAT32* OPJ_RESTRICT c2,
     OPJ_SIZE_T n)
 {
-    OPJ_UINT32 i;
+    OPJ_SIZE_T i;
 #ifdef USE_SSE
     __m128 vrv, vgu, vgv, vbu;
     vrv = _mm_set1_ps(1.402f);
diff --git a/third_party/libopenjpeg20/mct.h b/third_party/libopenjpeg20/mct.h
index 2e37ce7..3e1f5e4 100644
--- a/third_party/libopenjpeg20/mct.h
+++ b/third_party/libopenjpeg20/mct.h
@@ -85,8 +85,9 @@
 @param c2 Samples blue component
 @param n Number of samples for each component
 */
-void opj_mct_encode_real(OPJ_INT32* OPJ_RESTRICT c0, OPJ_INT32* OPJ_RESTRICT c1,
-                         OPJ_INT32* OPJ_RESTRICT c2, OPJ_SIZE_T n);
+void opj_mct_encode_real(OPJ_FLOAT32* OPJ_RESTRICT c0,
+                         OPJ_FLOAT32* OPJ_RESTRICT c1,
+                         OPJ_FLOAT32* OPJ_RESTRICT c2, OPJ_SIZE_T n);
 /**
 Apply an irreversible multi-component inverse transform to an image
 @param c0 Samples for luminance component
diff --git a/third_party/libopenjpeg20/mqc.c b/third_party/libopenjpeg20/mqc.c
index 6299b17..3caab9e 100644
--- a/third_party/libopenjpeg20/mqc.c
+++ b/third_party/libopenjpeg20/mqc.c
@@ -47,27 +47,6 @@
 /*@{*/
 
 /**
-Output a byte, doing bit-stuffing if necessary.
-After a 0xff byte, the next byte must be smaller than 0x90.
-@param mqc MQC handle
-*/
-static void opj_mqc_byteout(opj_mqc_t *mqc);
-/**
-Renormalize mqc->a and mqc->c while encoding, so that mqc->a stays between 0x8000 and 0x10000
-@param mqc MQC handle
-*/
-static void opj_mqc_renorme(opj_mqc_t *mqc);
-/**
-Encode the most probable symbol
-@param mqc MQC handle
-*/
-static void opj_mqc_codemps(opj_mqc_t *mqc);
-/**
-Encode the most least symbol
-@param mqc MQC handle
-*/
-static void opj_mqc_codelps(opj_mqc_t *mqc);
-/**
 Fill mqc->c with 1's for flushing
 @param mqc MQC handle
 */
@@ -182,80 +161,6 @@
 ==========================================================
 */
 
-static void opj_mqc_byteout(opj_mqc_t *mqc)
-{
-    /* bp is initialized to start - 1 in opj_mqc_init_enc() */
-    /* but this is safe, see opj_tcd_code_block_enc_allocate_data() */
-    assert(mqc->bp >= mqc->start - 1);
-    if (*mqc->bp == 0xff) {
-        mqc->bp++;
-        *mqc->bp = (OPJ_BYTE)(mqc->c >> 20);
-        mqc->c &= 0xfffff;
-        mqc->ct = 7;
-    } else {
-        if ((mqc->c & 0x8000000) == 0) {
-            mqc->bp++;
-            *mqc->bp = (OPJ_BYTE)(mqc->c >> 19);
-            mqc->c &= 0x7ffff;
-            mqc->ct = 8;
-        } else {
-            (*mqc->bp)++;
-            if (*mqc->bp == 0xff) {
-                mqc->c &= 0x7ffffff;
-                mqc->bp++;
-                *mqc->bp = (OPJ_BYTE)(mqc->c >> 20);
-                mqc->c &= 0xfffff;
-                mqc->ct = 7;
-            } else {
-                mqc->bp++;
-                *mqc->bp = (OPJ_BYTE)(mqc->c >> 19);
-                mqc->c &= 0x7ffff;
-                mqc->ct = 8;
-            }
-        }
-    }
-}
-
-static void opj_mqc_renorme(opj_mqc_t *mqc)
-{
-    do {
-        mqc->a <<= 1;
-        mqc->c <<= 1;
-        mqc->ct--;
-        if (mqc->ct == 0) {
-            opj_mqc_byteout(mqc);
-        }
-    } while ((mqc->a & 0x8000) == 0);
-}
-
-static void opj_mqc_codemps(opj_mqc_t *mqc)
-{
-    mqc->a -= (*mqc->curctx)->qeval;
-    if ((mqc->a & 0x8000) == 0) {
-        if (mqc->a < (*mqc->curctx)->qeval) {
-            mqc->a = (*mqc->curctx)->qeval;
-        } else {
-            mqc->c += (*mqc->curctx)->qeval;
-        }
-        *mqc->curctx = (*mqc->curctx)->nmps;
-        opj_mqc_renorme(mqc);
-    } else {
-        mqc->c += (*mqc->curctx)->qeval;
-    }
-}
-
-static void opj_mqc_codelps(opj_mqc_t *mqc)
-{
-    mqc->a -= (*mqc->curctx)->qeval;
-    if (mqc->a < (*mqc->curctx)->qeval) {
-        mqc->c += (*mqc->curctx)->qeval;
-    } else {
-        mqc->a = (*mqc->curctx)->qeval;
-    }
-    *mqc->curctx = (*mqc->curctx)->nlps;
-    opj_mqc_renorme(mqc);
-}
-
 static void opj_mqc_setbits(opj_mqc_t *mqc)
 {
     OPJ_UINT32 tempc = mqc->c + mqc->a;
@@ -303,14 +208,6 @@
     mqc->end_of_byte_stream_counter = 0;
 }
 
-void opj_mqc_encode(opj_mqc_t *mqc, OPJ_UINT32 d)
-{
-    if ((*mqc->curctx)->mps == d) {
-        opj_mqc_codemps(mqc);
-    } else {
-        opj_mqc_codelps(mqc);
-    }
-}
 
 void opj_mqc_flush(opj_mqc_t *mqc)
 {
@@ -329,8 +226,6 @@
     }
 }
 
-#define BYPASS_CT_INIT  0xDEADBEEF
-
 void opj_mqc_bypass_init_enc(opj_mqc_t *mqc)
 {
     /* This function is normally called after at least one opj_mqc_flush() */
@@ -475,6 +370,38 @@
     }
 }
 
+/**
+Encode the most probable symbol
+@param mqc MQC handle
+*/
+static INLINE void opj_mqc_codemps(opj_mqc_t *mqc)
+{
+    opj_mqc_codemps_macro(mqc, mqc->curctx, mqc->a, mqc->c, mqc->ct);
+}
+
+/**
+Encode the most least symbol
+@param mqc MQC handle
+*/
+static INLINE void opj_mqc_codelps(opj_mqc_t *mqc)
+{
+    opj_mqc_codelps_macro(mqc, mqc->curctx, mqc->a, mqc->c, mqc->ct);
+}
+
+/**
+Encode a symbol using the MQ-coder
+@param mqc MQC handle
+@param d The symbol to be encoded (0 or 1)
+*/
+static INLINE void opj_mqc_encode(opj_mqc_t *mqc, OPJ_UINT32 d)
+{
+    if ((*mqc->curctx)->mps == d) {
+        opj_mqc_codemps(mqc);
+    } else {
+        opj_mqc_codelps(mqc);
+    }
+}
+
 void opj_mqc_segmark_enc(opj_mqc_t *mqc)
 {
     OPJ_UINT32 i;
@@ -557,4 +484,36 @@
     mqc->ctxs[ctxno] = &mqc_states[msb + (OPJ_UINT32)(prob << 1)];
 }
 
-
+void opj_mqc_byteout(opj_mqc_t *mqc)
+{
+    /* bp is initialized to start - 1 in opj_mqc_init_enc() */
+    /* but this is safe, see opj_tcd_code_block_enc_allocate_data() */
+    assert(mqc->bp >= mqc->start - 1);
+    if (*mqc->bp == 0xff) {
+        mqc->bp++;
+        *mqc->bp = (OPJ_BYTE)(mqc->c >> 20);
+        mqc->c &= 0xfffff;
+        mqc->ct = 7;
+    } else {
+        if ((mqc->c & 0x8000000) == 0) {
+            mqc->bp++;
+            *mqc->bp = (OPJ_BYTE)(mqc->c >> 19);
+            mqc->c &= 0x7ffff;
+            mqc->ct = 8;
+        } else {
+            (*mqc->bp)++;
+            if (*mqc->bp == 0xff) {
+                mqc->c &= 0x7ffffff;
+                mqc->bp++;
+                *mqc->bp = (OPJ_BYTE)(mqc->c >> 20);
+                mqc->c &= 0xfffff;
+                mqc->ct = 7;
+            } else {
+                mqc->bp++;
+                *mqc->bp = (OPJ_BYTE)(mqc->c >> 19);
+                mqc->c &= 0x7ffff;
+                mqc->ct = 8;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/third_party/libopenjpeg20/mqc.h b/third_party/libopenjpeg20/mqc.h
index 69a2a79..9850fed 100644
--- a/third_party/libopenjpeg20/mqc.h
+++ b/third_party/libopenjpeg20/mqc.h
@@ -96,6 +96,8 @@
     OPJ_BYTE backup[OPJ_COMMON_CBLK_DATA_EXTRA];
 } opj_mqc_t;
 
+#define BYPASS_CT_INIT  0xDEADBEEF
+
 #include "mqc_inl.h"
 
 /** @name Exported functions */
@@ -135,12 +137,7 @@
 @param ctxno Number that identifies the context
 */
 #define opj_mqc_setcurctx(mqc, ctxno)   (mqc)->curctx = &(mqc)->ctxs[(OPJ_UINT32)(ctxno)]
-/**
-Encode a symbol using the MQ-coder
-@param mqc MQC handle
-@param d The symbol to be encoded (0 or 1)
-*/
-void opj_mqc_encode(opj_mqc_t *mqc, OPJ_UINT32 d);
+
 /**
 Flush the encoder, so that all remaining data is written
 @param mqc MQC handle
diff --git a/third_party/libopenjpeg20/mqc_inl.h b/third_party/libopenjpeg20/mqc_inl.h
index 310a328..0031b94 100644
--- a/third_party/libopenjpeg20/mqc_inl.h
+++ b/third_party/libopenjpeg20/mqc_inl.h
@@ -156,13 +156,13 @@
     } \
 }
 
-#define DOWNLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct) \
+#define DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct) \
         register const opj_mqc_state_t **curctx = mqc->curctx; \
         register OPJ_UINT32 c = mqc->c; \
         register OPJ_UINT32 a = mqc->a; \
         register OPJ_UINT32 ct = mqc->ct
 
-#define UPLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct) \
+#define UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct) \
         mqc->curctx = curctx; \
         mqc->c = c; \
         mqc->a = a; \
@@ -193,4 +193,90 @@
 #define opj_mqc_decode(d, mqc) \
     opj_mqc_decode_macro(d, mqc, mqc->curctx, mqc->a, mqc->c, mqc->ct)
 
+/**
+Output a byte, doing bit-stuffing if necessary.
+After a 0xff byte, the next byte must be smaller than 0x90.
+@param mqc MQC handle
+*/
+void opj_mqc_byteout(opj_mqc_t *mqc);
+
+/**
+Renormalize mqc->a and mqc->c while encoding, so that mqc->a stays between 0x8000 and 0x10000
+@param mqc MQC handle
+@param a_ value of mqc->a
+@param c_ value of mqc->c_
+@param ct_ value of mqc->ct_
+*/
+#define opj_mqc_renorme_macro(mqc, a_, c_, ct_) \
+{ \
+    do { \
+        a_ <<= 1; \
+        c_ <<= 1; \
+        ct_--; \
+        if (ct_ == 0) { \
+            mqc->c = c_; \
+            opj_mqc_byteout(mqc); \
+            c_ = mqc->c; \
+            ct_ = mqc->ct; \
+        } \
+    } while( (a_ & 0x8000) == 0); \
+}
+
+#define opj_mqc_codemps_macro(mqc, curctx, a, c, ct) \
+{ \
+    a -= (*curctx)->qeval; \
+    if ((a & 0x8000) == 0) { \
+        if (a < (*curctx)->qeval) { \
+            a = (*curctx)->qeval; \
+        } else { \
+            c += (*curctx)->qeval; \
+        } \
+        *curctx = (*curctx)->nmps; \
+        opj_mqc_renorme_macro(mqc, a, c, ct); \
+    } else { \
+        c += (*curctx)->qeval; \
+    } \
+}
+
+#define opj_mqc_codelps_macro(mqc, curctx, a, c, ct) \
+{ \
+    a -= (*curctx)->qeval; \
+    if (a < (*curctx)->qeval) { \
+        c += (*curctx)->qeval; \
+    } else { \
+        a = (*curctx)->qeval; \
+    } \
+    *curctx = (*curctx)->nlps; \
+    opj_mqc_renorme_macro(mqc, a, c, ct); \
+}
+
+#define opj_mqc_encode_macro(mqc, curctx, a, c, ct, d) \
+{ \
+    if ((*curctx)->mps == (d)) { \
+        opj_mqc_codemps_macro(mqc, curctx, a, c, ct); \
+    } else { \
+        opj_mqc_codelps_macro(mqc, curctx, a, c, ct); \
+    } \
+}
+
+
+#define opj_mqc_bypass_enc_macro(mqc, c, ct, d) \
+{\
+    if (ct == BYPASS_CT_INIT) {\
+        ct = 8;\
+    }\
+    ct--;\
+    c = c + ((d) << ct);\
+    if (ct == 0) {\
+        *mqc->bp = (OPJ_BYTE)c;\
+        ct = 8;\
+        /* If the previous byte was 0xff, make sure that the next msb is 0 */ \
+        if (*mqc->bp == 0xff) {\
+            ct = 7;\
+        }\
+        mqc->bp++;\
+        c = 0;\
+    }\
+}
+
 #endif /* OPJ_MQC_INL_H */
diff --git a/third_party/libopenjpeg20/openjpeg.c b/third_party/libopenjpeg20/openjpeg.c
index 7b12303..9c9b6eb 100644
--- a/third_party/libopenjpeg20/openjpeg.c
+++ b/third_party/libopenjpeg20/openjpeg.c
@@ -652,6 +652,14 @@
                 struct opj_image *,
                 struct opj_event_mgr *)) opj_j2k_setup_encoder;
 
+        l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options = (OPJ_BOOL(
+                    *)(void *,
+                       const char* const*,
+                       struct opj_event_mgr *)) opj_j2k_encoder_set_extra_options;
+
+        l_codec->opj_set_threads =
+            (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_j2k_set_threads;
+
         l_codec->m_codec = opj_j2k_create_compress();
         if (! l_codec->m_codec) {
             opj_free(l_codec);
@@ -690,6 +698,14 @@
                 struct opj_image *,
                 struct opj_event_mgr *)) opj_jp2_setup_encoder;
 
+        l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options = (OPJ_BOOL(
+                    *)(void *,
+                       const char* const*,
+                       struct opj_event_mgr *)) opj_jp2_encoder_set_extra_options;
+
+        l_codec->opj_set_threads =
+            (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_jp2_set_threads;
+
         l_codec->m_codec = opj_jp2_create(OPJ_FALSE);
         if (! l_codec->m_codec) {
             opj_free(l_codec);
@@ -718,11 +734,11 @@
         parameters->cp_cinema = OPJ_OFF; /* DEPRECATED */
         parameters->rsiz = OPJ_PROFILE_NONE;
         parameters->max_comp_size = 0;
-        parameters->numresolution = 6;
+        parameters->numresolution = OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION;
         parameters->cp_rsiz = OPJ_STD_RSIZ; /* DEPRECATED */
-        parameters->cblockw_init = 64;
-        parameters->cblockh_init = 64;
-        parameters->prog_order = OPJ_LRCP;
+        parameters->cblockw_init = OPJ_COMP_PARAM_DEFAULT_CBLOCKW;
+        parameters->cblockh_init = OPJ_COMP_PARAM_DEFAULT_CBLOCKH;
+        parameters->prog_order = OPJ_COMP_PARAM_DEFAULT_PROG_ORDER;
         parameters->roi_compno = -1;        /* no ROI */
         parameters->subsampling_dx = 1;
         parameters->subsampling_dy = 1;
@@ -788,6 +804,27 @@
     return OPJ_FALSE;
 }
 
+/* ----------------------------------------------------------------------- */
+
+OPJ_BOOL OPJ_CALLCONV opj_encoder_set_extra_options(opj_codec_t *p_codec,
+        const char* const* options)
+{
+    if (p_codec) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+        if (! l_codec->is_decompressor) {
+            return l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options(
+                       l_codec->m_codec,
+                       options,
+                       &(l_codec->m_event_mgr));
+        }
+    }
+
+    return OPJ_FALSE;
+}
+
+/* ----------------------------------------------------------------------- */
+
 OPJ_BOOL OPJ_CALLCONV opj_start_compress(opj_codec_t *p_codec,
         opj_image_t * p_image,
         opj_stream_t *p_stream)
diff --git a/third_party/libopenjpeg20/openjpeg.h b/third_party/libopenjpeg20/openjpeg.h
index 53a0e10..269ac32 100644
--- a/third_party/libopenjpeg20/openjpeg.h
+++ b/third_party/libopenjpeg20/openjpeg.h
@@ -78,7 +78,7 @@
 
 #if defined(OPJ_STATIC) || !defined(_WIN32)
 /* http://gcc.gnu.org/wiki/Visibility */
-#   if __GNUC__ >= 4
+#   if !defined(_WIN32) && __GNUC__ >= 4
 #       if defined(OPJ_STATIC) /* static library uses "hidden" */
 #           define OPJ_API    __attribute__ ((visibility ("hidden")))
 #       else
@@ -204,11 +204,11 @@
 #define OPJ_PROFILE_BC_MULTI    0x0200 /** Multi Tile Broadcast profile defined in 15444-1 AMD3 */
 #define OPJ_PROFILE_BC_MULTI_R  0x0300 /** Multi Tile Reversible Broadcast profile defined in 15444-1 AMD3 */
 #define OPJ_PROFILE_IMF_2K      0x0400 /** 2K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */
-#define OPJ_PROFILE_IMF_4K      0x0401 /** 4K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */
-#define OPJ_PROFILE_IMF_8K      0x0402 /** 8K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */
-#define OPJ_PROFILE_IMF_2K_R    0x0403 /** 2K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */
+#define OPJ_PROFILE_IMF_4K      0x0500 /** 4K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */
+#define OPJ_PROFILE_IMF_8K      0x0600 /** 8K Single Tile Lossy IMF profile defined in 15444-1 AMD 8 */
+#define OPJ_PROFILE_IMF_2K_R    0x0700 /** 2K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */
 #define OPJ_PROFILE_IMF_4K_R    0x0800 /** 4K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */
-#define OPJ_PROFILE_IMF_8K_R    0x0801  /** 8K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */
+#define OPJ_PROFILE_IMF_8K_R    0x0900 /** 8K Single/Multi Tile Reversible IMF profile defined in 15444-1 AMD 8 */
 
 /**
  * JPEG 2000 Part-2 extensions
@@ -225,6 +225,36 @@
 #define OPJ_IS_IMF(v)        (((v) >= OPJ_PROFILE_IMF_2K)&&((v) <= ((OPJ_PROFILE_IMF_8K_R) | (0x009b))))
 #define OPJ_IS_PART2(v)      ((v) & OPJ_PROFILE_PART2)
 
+#define OPJ_GET_IMF_PROFILE(v)   ((v) & 0xff00)      /** Extract IMF profile without mainlevel/sublevel */
+#define OPJ_GET_IMF_MAINLEVEL(v) ((v) & 0xf)         /** Extract IMF main level */
+#define OPJ_GET_IMF_SUBLEVEL(v)  (((v) >> 4) & 0xf)  /** Extract IMF sub level */
+
+#define OPJ_IMF_MAINLEVEL_MAX    11   /** Maximum main level */
+
+/** Max. Components Sampling Rate (MSamples/sec) per IMF main level */
+#define OPJ_IMF_MAINLEVEL_1_MSAMPLESEC   65      /** MSamples/sec for IMF main level 1 */
+#define OPJ_IMF_MAINLEVEL_2_MSAMPLESEC   130     /** MSamples/sec for IMF main level 2 */
+#define OPJ_IMF_MAINLEVEL_3_MSAMPLESEC   195     /** MSamples/sec for IMF main level 3 */
+#define OPJ_IMF_MAINLEVEL_4_MSAMPLESEC   260     /** MSamples/sec for IMF main level 4 */
+#define OPJ_IMF_MAINLEVEL_5_MSAMPLESEC   520     /** MSamples/sec for IMF main level 5 */
+#define OPJ_IMF_MAINLEVEL_6_MSAMPLESEC   1200    /** MSamples/sec for IMF main level 6 */
+#define OPJ_IMF_MAINLEVEL_7_MSAMPLESEC   2400    /** MSamples/sec for IMF main level 7 */
+#define OPJ_IMF_MAINLEVEL_8_MSAMPLESEC   4800    /** MSamples/sec for IMF main level 8 */
+#define OPJ_IMF_MAINLEVEL_9_MSAMPLESEC   9600    /** MSamples/sec for IMF main level 9 */
+#define OPJ_IMF_MAINLEVEL_10_MSAMPLESEC  19200   /** MSamples/sec for IMF main level 10 */
+#define OPJ_IMF_MAINLEVEL_11_MSAMPLESEC  38400   /** MSamples/sec for IMF main level 11 */
+
+/** Max. compressed Bit Rate (Mbits/s) per IMF sub level */
+#define OPJ_IMF_SUBLEVEL_1_MBITSSEC      200     /** Mbits/s for IMF sub level 1 */
+#define OPJ_IMF_SUBLEVEL_2_MBITSSEC      400     /** Mbits/s for IMF sub level 2 */
+#define OPJ_IMF_SUBLEVEL_3_MBITSSEC      800     /** Mbits/s for IMF sub level 3 */
+#define OPJ_IMF_SUBLEVEL_4_MBITSSEC     1600     /** Mbits/s for IMF sub level 4 */
+#define OPJ_IMF_SUBLEVEL_5_MBITSSEC     3200     /** Mbits/s for IMF sub level 5 */
+#define OPJ_IMF_SUBLEVEL_6_MBITSSEC     6400     /** Mbits/s for IMF sub level 6 */
+#define OPJ_IMF_SUBLEVEL_7_MBITSSEC    12800     /** Mbits/s for IMF sub level 7 */
+#define OPJ_IMF_SUBLEVEL_8_MBITSSEC    25600     /** Mbits/s for IMF sub level 8 */
+#define OPJ_IMF_SUBLEVEL_9_MBITSSEC    51200     /** Mbits/s for IMF sub level 9 */
+
 /**
  * JPEG 2000 codestream and component size limits in cinema profiles
  * */
@@ -318,6 +348,10 @@
 ==========================================================
 */
 
+#ifndef OPJ_UINT32_SEMANTICALLY_BUT_INT32
+#define OPJ_UINT32_SEMANTICALLY_BUT_INT32 OPJ_INT32
+#endif
+
 /**
  * Progression order changes
  *
@@ -333,10 +367,10 @@
     OPJ_PROG_ORDER prg1, prg;
     /** Progression order string*/
     OPJ_CHAR progorder[5];
-    /** Tile number */
+    /** Tile number (starting at 1) */
     OPJ_UINT32 tile;
     /** Start and end values for Tile width and height*/
-    OPJ_INT32 tx0, tx1, ty0, ty1;
+    OPJ_UINT32_SEMANTICALLY_BUT_INT32 tx0, tx1, ty0, ty1;
     /** Start value, initialised in pi_initialise_encode*/
     OPJ_UINT32 layS, resS, compS, prcS;
     /** End value, initialised in pi_initialise_encode */
@@ -1314,15 +1348,14 @@
  * number, or "ALL_CPUS". If OPJ_NUM_THREADS is set and this function is called,
  * this function will override the behaviour of the environment variable.
  *
- * Currently this function must be called after opj_setup_decoder() and
- * before opj_read_header().
+ * This function must be called after opj_setup_decoder() and
+ * before opj_read_header() for the decoding side, or after opj_setup_encoder()
+ * and before opj_start_compress() for the encoding side.
  *
- * Note: currently only has effect on the decompressor.
- *
- * @param p_codec       decompressor handler
+ * @param p_codec       decompressor or compressor handler
  * @param num_threads   number of threads.
  *
- * @return OPJ_TRUE     if the decoder is correctly set
+ * @return OPJ_TRUE     if the function is successful.
  */
 OPJ_API OPJ_BOOL OPJ_CALLCONV opj_codec_set_threads(opj_codec_t *p_codec,
         int num_threads);
@@ -1546,6 +1579,33 @@
         opj_cparameters_t *parameters,
         opj_image_t *image);
 
+
+/**
+ * Specify extra options for the encoder.
+ *
+ * This may be called after opj_setup_encoder() and before opj_start_compress()
+ *
+ * This is the way to add new options in a fully ABI compatible way, without
+ * extending the opj_cparameters_t structure.
+ *
+ * Currently supported options are:
+ * <ul>
+ * <li>PLT=YES/NO. Defaults to NO. If set to YES, PLT marker segments,
+ *     indicating the length of each packet in the tile-part header, will be
+ *     written. Since 2.3.2</li>
+ * </ul>
+ *
+ * @param p_codec       Compressor handle
+ * @param p_options     Compression options. This should be a NULL terminated
+ *                      array of strings. Each string is of the form KEY=VALUE.
+ *
+ * @return OPJ_TRUE in case of success.
+ * @since 2.3.2
+ */
+OPJ_API OPJ_BOOL OPJ_CALLCONV opj_encoder_set_extra_options(
+    opj_codec_t *p_codec,
+    const char* const* p_options);
+
 /**
  * Start to compress the current image.
  * @param p_codec       Compressor handle
diff --git a/third_party/libopenjpeg20/opj_codec.h b/third_party/libopenjpeg20/opj_codec.h
index b962b12..8a8af91 100644
--- a/third_party/libopenjpeg20/opj_codec.h
+++ b/third_party/libopenjpeg20/opj_codec.h
@@ -148,6 +148,11 @@
                                           opj_cparameters_t * p_param,
                                           struct opj_image * p_image,
                                           struct opj_event_mgr * p_manager);
+
+            OPJ_BOOL(* opj_encoder_set_extra_options)(void * p_codec,
+                    const char* const* p_options,
+                    struct opj_event_mgr * p_manager);
+
         } m_compression;
     } m_codec_data;
     /** FIXME DOC*/
diff --git a/third_party/libopenjpeg20/opj_common.h b/third_party/libopenjpeg20/opj_common.h
index a051339..ee8adf4 100644
--- a/third_party/libopenjpeg20/opj_common.h
+++ b/third_party/libopenjpeg20/opj_common.h
@@ -38,4 +38,10 @@
 */
 #define OPJ_COMMON_CBLK_DATA_EXTRA        2    /**< Margin for a fake FFFF marker */
 
+
+#define OPJ_COMP_PARAM_DEFAULT_CBLOCKW        64
+#define OPJ_COMP_PARAM_DEFAULT_CBLOCKH        64
+#define OPJ_COMP_PARAM_DEFAULT_PROG_ORDER     OPJ_LRCP
+#define OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION  6
+
 #endif /* OPJ_COMMMON_H */
diff --git a/third_party/libopenjpeg20/opj_config.h b/third_party/libopenjpeg20/opj_config.h
index fda1f64..e5d82be 100644
--- a/third_party/libopenjpeg20/opj_config.h
+++ b/third_party/libopenjpeg20/opj_config.h
@@ -12,5 +12,5 @@
 
 /* Version number. */
 #define OPJ_VERSION_MAJOR 2
-#define OPJ_VERSION_MINOR 3
-#define OPJ_VERSION_BUILD 1
+#define OPJ_VERSION_MINOR 4
+#define OPJ_VERSION_BUILD 0
diff --git a/third_party/libopenjpeg20/opj_config_private.h b/third_party/libopenjpeg20/opj_config_private.h
index b6986f9..ee96cee 100644
--- a/third_party/libopenjpeg20/opj_config_private.h
+++ b/third_party/libopenjpeg20/opj_config_private.h
@@ -7,7 +7,7 @@
 /* create opj_config_private.h for CMake */
 #define OPJ_HAVE_INTTYPES_H 	1
 
-#define OPJ_PACKAGE_VERSION "2.3.1"
+#define OPJ_PACKAGE_VERSION "2.4.0"
 
 /* Not used by openjp2*/
 /*#define HAVE_MEMORY_H 1*/
diff --git a/third_party/libopenjpeg20/opj_intmath.h b/third_party/libopenjpeg20/opj_intmath.h
index 754b551..afe69d9 100644
--- a/third_party/libopenjpeg20/opj_intmath.h
+++ b/third_party/libopenjpeg20/opj_intmath.h
@@ -208,6 +208,16 @@
 {
     return a >> b;
 }
+
+/**
+Divide an integer by a power of 2 and round downwards
+@return Returns a divided by 2^b
+*/
+static INLINE OPJ_UINT32 opj_uint_floordivpow2(OPJ_UINT32 a, OPJ_UINT32 b)
+{
+    return a >> b;
+}
+
 /**
 Get logarithm of an integer and round downwards
 @return Returns log2(a)
diff --git a/third_party/libopenjpeg20/pi.c b/third_party/libopenjpeg20/pi.c
index 5f3d9ec..1430d12 100644
--- a/third_party/libopenjpeg20/pi.c
+++ b/third_party/libopenjpeg20/pi.c
@@ -36,6 +36,8 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define OPJ_UINT32_SEMANTICALLY_BUT_INT32 OPJ_UINT32
+
 #include "opj_includes.h"
 
 /** @defgroup PI PI - Implementation of a packet iterator */
@@ -91,10 +93,10 @@
  */
 static void opj_pi_update_encode_poc_and_final(opj_cp_t *p_cp,
         OPJ_UINT32 p_tileno,
-        OPJ_INT32 p_tx0,
-        OPJ_INT32 p_tx1,
-        OPJ_INT32 p_ty0,
-        OPJ_INT32 p_ty1,
+        OPJ_UINT32 p_tx0,
+        OPJ_UINT32 p_tx1,
+        OPJ_UINT32 p_ty0,
+        OPJ_UINT32 p_ty1,
         OPJ_UINT32 p_max_prec,
         OPJ_UINT32 p_max_res,
         OPJ_UINT32 p_dx_min,
@@ -118,10 +120,10 @@
 static void opj_pi_update_encode_not_poc(opj_cp_t *p_cp,
         OPJ_UINT32 p_num_comps,
         OPJ_UINT32 p_tileno,
-        OPJ_INT32 p_tx0,
-        OPJ_INT32 p_tx1,
-        OPJ_INT32 p_ty0,
-        OPJ_INT32 p_ty1,
+        OPJ_UINT32 p_tx0,
+        OPJ_UINT32 p_tx1,
+        OPJ_UINT32 p_ty0,
+        OPJ_UINT32 p_ty1,
         OPJ_UINT32 p_max_prec,
         OPJ_UINT32 p_max_res,
         OPJ_UINT32 p_dx_min,
@@ -144,10 +146,10 @@
 static void opj_get_encoding_parameters(const opj_image_t *p_image,
                                         const opj_cp_t *p_cp,
                                         OPJ_UINT32  tileno,
-                                        OPJ_INT32  * p_tx0,
-                                        OPJ_INT32 * p_tx1,
-                                        OPJ_INT32 * p_ty0,
-                                        OPJ_INT32 * p_ty1,
+                                        OPJ_UINT32 * p_tx0,
+                                        OPJ_UINT32 * p_tx1,
+                                        OPJ_UINT32 * p_ty0,
+                                        OPJ_UINT32 * p_ty1,
                                         OPJ_UINT32 * p_dx_min,
                                         OPJ_UINT32 * p_dy_min,
                                         OPJ_UINT32 * p_max_prec,
@@ -176,10 +178,10 @@
 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
         const opj_cp_t *p_cp,
         OPJ_UINT32 tileno,
-        OPJ_INT32 * p_tx0,
-        OPJ_INT32 * p_tx1,
-        OPJ_INT32 * p_ty0,
-        OPJ_INT32 * p_ty1,
+        OPJ_UINT32 * p_tx0,
+        OPJ_UINT32 * p_tx1,
+        OPJ_UINT32 * p_ty0,
+        OPJ_UINT32 * p_ty1,
         OPJ_UINT32 * p_dx_min,
         OPJ_UINT32 * p_dy_min,
         OPJ_UINT32 * p_max_prec,
@@ -192,10 +194,12 @@
  * @param   p_image     the image used to initialize the packet iterator (in fact only the number of components is relevant.
  * @param   p_cp        the coding parameters.
  * @param   tileno  the index of the tile from which creating the packet iterator.
+ * @param   manager Event manager
  */
 static opj_pi_iterator_t * opj_pi_create(const opj_image_t *p_image,
         const opj_cp_t *p_cp,
-        OPJ_UINT32 tileno);
+        OPJ_UINT32 tileno,
+        opj_event_mgr_t* manager);
 /**
  * FIXME DOC
  */
@@ -230,18 +234,19 @@
 ==========================================================
 */
 
-static void opj_pi_emit_error(opj_pi_iterator_t * pi, const char* msg)
-{
-    (void)pi;
-    (void)msg;
-}
-
 static OPJ_BOOL opj_pi_next_lrcp(opj_pi_iterator_t * pi)
 {
     opj_pi_comp_t *comp = NULL;
     opj_pi_resolution_t *res = NULL;
     OPJ_UINT32 index = 0;
 
+    if (pi->poc.compno0 >= pi->numcomps ||
+            pi->poc.compno1 >= pi->numcomps + 1) {
+        opj_event_msg(pi->manager, EVT_ERROR,
+                      "opj_pi_next_lrcp(): invalid compno0/compno1\n");
+        return OPJ_FALSE;
+    }
+
     if (!pi->first) {
         comp = &pi->comps[pi->compno];
         res = &comp->resolutions[pi->resno];
@@ -272,7 +277,7 @@
                     /* include should be resized when a POC arises, or */
                     /* the POC should be rejected */
                     if (index >= pi->include_size) {
-                        opj_pi_emit_error(pi, "Invalid access to pi->include");
+                        opj_event_msg(pi->manager, EVT_ERROR, "Invalid access to pi->include");
                         return OPJ_FALSE;
                     }
                     if (!pi->include[index]) {
@@ -295,6 +300,13 @@
     opj_pi_resolution_t *res = NULL;
     OPJ_UINT32 index = 0;
 
+    if (pi->poc.compno0 >= pi->numcomps ||
+            pi->poc.compno1 >= pi->numcomps + 1) {
+        opj_event_msg(pi->manager, EVT_ERROR,
+                      "opj_pi_next_rlcp(): invalid compno0/compno1\n");
+        return OPJ_FALSE;
+    }
+
     if (!pi->first) {
         comp = &pi->comps[pi->compno];
         res = &comp->resolutions[pi->resno];
@@ -318,7 +330,7 @@
                     index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
                             pi->step_c + pi->precno * pi->step_p;
                     if (index >= pi->include_size) {
-                        opj_pi_emit_error(pi, "Invalid access to pi->include");
+                        opj_event_msg(pi->manager, EVT_ERROR, "Invalid access to pi->include");
                         return OPJ_FALSE;
                     }
                     if (!pi->include[index]) {
@@ -341,6 +353,13 @@
     opj_pi_resolution_t *res = NULL;
     OPJ_UINT32 index = 0;
 
+    if (pi->poc.compno0 >= pi->numcomps ||
+            pi->poc.compno1 >= pi->numcomps + 1) {
+        opj_event_msg(pi->manager, EVT_ERROR,
+                      "opj_pi_next_rpcl(): invalid compno0/compno1\n");
+        return OPJ_FALSE;
+    }
+
     if (!pi->first) {
         goto LABEL_SKIP;
     } else {
@@ -376,16 +395,16 @@
         pi->poc.tx1 = pi->tx1;
     }
     for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
-        for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1;
-                pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
-            for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1;
-                    pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
+        for (pi->y = (OPJ_UINT32)pi->poc.ty0; pi->y < (OPJ_UINT32)pi->poc.ty1;
+                pi->y += (pi->dy - (pi->y % pi->dy))) {
+            for (pi->x = (OPJ_UINT32)pi->poc.tx0; pi->x < (OPJ_UINT32)pi->poc.tx1;
+                    pi->x += (pi->dx - (pi->x % pi->dx))) {
                 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
                     OPJ_UINT32 levelno;
-                    OPJ_INT32 trx0, try0;
-                    OPJ_INT32  trx1, try1;
+                    OPJ_UINT32 trx0, try0;
+                    OPJ_UINT32  trx1, try1;
                     OPJ_UINT32  rpx, rpy;
-                    OPJ_INT32  prci, prcj;
+                    OPJ_UINT32  prci, prcj;
                     comp = &pi->comps[pi->compno];
                     if (pi->resno >= comp->numresolutions) {
                         continue;
@@ -404,10 +423,10 @@
                             (comp->dy << levelno) > INT_MAX) {
                         continue;
                     }
-                    trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
-                    try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
-                    trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
-                    try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
+                    trx0 = opj_uint_ceildiv(pi->tx0, (comp->dx << levelno));
+                    try0 = opj_uint_ceildiv(pi->ty0, (comp->dy << levelno));
+                    trx1 = opj_uint_ceildiv(pi->tx1, (comp->dx << levelno));
+                    try1 = opj_uint_ceildiv(pi->ty1, (comp->dy << levelno));
                     rpx = res->pdx + levelno;
                     rpy = res->pdy + levelno;
 
@@ -421,12 +440,12 @@
                     }
 
                     /* See ISO-15441. B.12.1.3 Resolution level-position-component-layer progression */
-                    if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
-                            ((try0 << levelno) % (1 << rpy))))) {
+                    if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
+                            ((try0 << levelno) % (1U << rpy))))) {
                         continue;
                     }
-                    if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
-                            ((trx0 << levelno) % (1 << rpx))))) {
+                    if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
+                            ((trx0 << levelno) % (1U << rpx))))) {
                         continue;
                     }
 
@@ -438,13 +457,13 @@
                         continue;
                     }
 
-                    prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x,
-                                                (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
-                           - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
-                    prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y,
-                                                (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
-                           - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
-                    pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
+                    prci = opj_uint_floordivpow2(opj_uint_ceildiv(pi->x,
+                                                 (comp->dx << levelno)), res->pdx)
+                           - opj_uint_floordivpow2(trx0, res->pdx);
+                    prcj = opj_uint_floordivpow2(opj_uint_ceildiv(pi->y,
+                                                 (comp->dy << levelno)), res->pdy)
+                           - opj_uint_floordivpow2(try0, res->pdy);
+                    pi->precno = prci + prcj * res->pw;
                     if (pi->precno >= res->pw * res->ph) {
                       return OPJ_FALSE;
                     }
@@ -452,7 +471,7 @@
                         index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
                                 pi->step_c + pi->precno * pi->step_p;
                         if (index >= pi->include_size) {
-                            opj_pi_emit_error(pi, "Invalid access to pi->include");
+                            opj_event_msg(pi->manager, EVT_ERROR, "Invalid access to pi->include");
                             return OPJ_FALSE;
                         }
                         if (!pi->include[index]) {
@@ -476,6 +495,13 @@
     opj_pi_resolution_t *res = NULL;
     OPJ_UINT32 index = 0;
 
+    if (pi->poc.compno0 >= pi->numcomps ||
+            pi->poc.compno1 >= pi->numcomps + 1) {
+        opj_event_msg(pi->manager, EVT_ERROR,
+                      "opj_pi_next_pcrl(): invalid compno0/compno1\n");
+        return OPJ_FALSE;
+    }
+
     if (!pi->first) {
         comp = &pi->comps[pi->compno];
         goto LABEL_SKIP;
@@ -511,19 +537,19 @@
         pi->poc.ty1 = pi->ty1;
         pi->poc.tx1 = pi->tx1;
     }
-    for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1;
-            pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
-        for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1;
-                pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
+    for (pi->y = (OPJ_UINT32)pi->poc.ty0; pi->y < (OPJ_UINT32)pi->poc.ty1;
+            pi->y += (pi->dy - (pi->y % pi->dy))) {
+        for (pi->x = (OPJ_UINT32)pi->poc.tx0; pi->x < (OPJ_UINT32)pi->poc.tx1;
+                pi->x += (pi->dx - (pi->x % pi->dx))) {
             for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
                 comp = &pi->comps[pi->compno];
                 for (pi->resno = pi->poc.resno0;
                         pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
                     OPJ_UINT32 levelno;
-                    OPJ_INT32 trx0, try0;
-                    OPJ_INT32 trx1, try1;
+                    OPJ_UINT32 trx0, try0;
+                    OPJ_UINT32 trx1, try1;
                     OPJ_UINT32 rpx, rpy;
-                    OPJ_INT32 prci, prcj;
+                    OPJ_UINT32 prci, prcj;
                     res = &comp->resolutions[pi->resno];
                     levelno = comp->numresolutions - 1 - pi->resno;
                     /* Avoids division by zero */
@@ -538,10 +564,10 @@
                             (comp->dy << levelno) > INT_MAX) {
                         continue;
                     }
-                    trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
-                    try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
-                    trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
-                    try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
+                    trx0 = opj_uint_ceildiv(pi->tx0, (comp->dx << levelno));
+                    try0 = opj_uint_ceildiv(pi->ty0, (comp->dy << levelno));
+                    trx1 = opj_uint_ceildiv(pi->tx1, (comp->dx << levelno));
+                    try1 = opj_uint_ceildiv(pi->ty1, (comp->dy << levelno));
                     rpx = res->pdx + levelno;
                     rpy = res->pdy + levelno;
 
@@ -555,12 +581,12 @@
                     }
 
                     /* See ISO-15441. B.12.1.4 Position-component-resolution level-layer progression */
-                    if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
-                            ((try0 << levelno) % (1 << rpy))))) {
+                    if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
+                            ((try0 << levelno) % (1U << rpy))))) {
                         continue;
                     }
-                    if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
-                            ((trx0 << levelno) % (1 << rpx))))) {
+                    if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
+                            ((trx0 << levelno) % (1U << rpx))))) {
                         continue;
                     }
 
@@ -572,13 +598,13 @@
                         continue;
                     }
 
-                    prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x,
-                                                (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
-                           - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
-                    prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y,
-                                                (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
-                           - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
-                    pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
+                    prci = opj_uint_floordivpow2(opj_uint_ceildiv(pi->x,
+                                                 (comp->dx << levelno)), res->pdx)
+                           - opj_uint_floordivpow2(trx0, res->pdx);
+                    prcj = opj_uint_floordivpow2(opj_uint_ceildiv(pi->y,
+                                                 (comp->dy << levelno)), res->pdy)
+                           - opj_uint_floordivpow2(try0, res->pdy);
+                    pi->precno = prci + prcj * res->pw;
                     if (pi->precno >= res->pw * res->ph) {
                       return OPJ_FALSE;
                     }
@@ -586,7 +612,7 @@
                         index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
                                 pi->step_c + pi->precno * pi->step_p;
                         if (index >= pi->include_size) {
-                            opj_pi_emit_error(pi, "Invalid access to pi->include");
+                            opj_event_msg(pi->manager, EVT_ERROR, "Invalid access to pi->include");
                             return OPJ_FALSE;
                         }
                         if (!pi->include[index]) {
@@ -610,6 +636,13 @@
     opj_pi_resolution_t *res = NULL;
     OPJ_UINT32 index = 0;
 
+    if (pi->poc.compno0 >= pi->numcomps ||
+            pi->poc.compno1 >= pi->numcomps + 1) {
+        opj_event_msg(pi->manager, EVT_ERROR,
+                      "opj_pi_next_cprl(): invalid compno0/compno1\n");
+        return OPJ_FALSE;
+    }
+
     if (!pi->first) {
         comp = &pi->comps[pi->compno];
         goto LABEL_SKIP;
@@ -645,17 +678,17 @@
             pi->poc.ty1 = pi->ty1;
             pi->poc.tx1 = pi->tx1;
         }
-        for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1;
-                pi->y += (OPJ_INT32)(pi->dy - (OPJ_UINT32)(pi->y % (OPJ_INT32)pi->dy))) {
-            for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1;
-                    pi->x += (OPJ_INT32)(pi->dx - (OPJ_UINT32)(pi->x % (OPJ_INT32)pi->dx))) {
+        for (pi->y = (OPJ_UINT32)pi->poc.ty0; pi->y < (OPJ_UINT32)pi->poc.ty1;
+                pi->y += (pi->dy - (pi->y % pi->dy))) {
+            for (pi->x = (OPJ_UINT32)pi->poc.tx0; pi->x < (OPJ_UINT32)pi->poc.tx1;
+                    pi->x += (pi->dx - (pi->x % pi->dx))) {
                 for (pi->resno = pi->poc.resno0;
                         pi->resno < opj_uint_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
                     OPJ_UINT32 levelno;
-                    OPJ_INT32 trx0, try0;
-                    OPJ_INT32 trx1, try1;
+                    OPJ_UINT32 trx0, try0;
+                    OPJ_UINT32 trx1, try1;
                     OPJ_UINT32 rpx, rpy;
-                    OPJ_INT32 prci, prcj;
+                    OPJ_UINT32 prci, prcj;
                     res = &comp->resolutions[pi->resno];
                     levelno = comp->numresolutions - 1 - pi->resno;
                     /* Avoids division by zero on id_000004,sig_06,src_000679,op_arith8,pos_49,val_-17 */
@@ -669,10 +702,10 @@
                             (comp->dy << levelno) > INT_MAX) {
                         continue;
                     }
-                    trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
-                    try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
-                    trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
-                    try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
+                    trx0 = opj_uint_ceildiv(pi->tx0, (comp->dx << levelno));
+                    try0 = opj_uint_ceildiv(pi->ty0, (comp->dy << levelno));
+                    trx1 = opj_uint_ceildiv(pi->tx1, (comp->dx << levelno));
+                    try1 = opj_uint_ceildiv(pi->ty1, (comp->dy << levelno));
                     rpx = res->pdx + levelno;
                     rpy = res->pdy + levelno;
 
@@ -686,12 +719,12 @@
                     }
 
                     /* See ISO-15441. B.12.1.5 Component-position-resolution level-layer progression */
-                    if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
-                            ((try0 << levelno) % (1 << rpy))))) {
+                    if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) &&
+                            ((try0 << levelno) % (1U << rpy))))) {
                         continue;
                     }
-                    if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
-                            ((trx0 << levelno) % (1 << rpx))))) {
+                    if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) &&
+                            ((trx0 << levelno) % (1U << rpx))))) {
                         continue;
                     }
 
@@ -703,13 +736,13 @@
                         continue;
                     }
 
-                    prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x,
-                                                (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
-                           - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
-                    prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y,
-                                                (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
-                           - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
-                    pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
+                    prci = opj_uint_floordivpow2(opj_uint_ceildiv(pi->x,
+                                                 (comp->dx << levelno)), res->pdx)
+                           - opj_uint_floordivpow2(trx0, res->pdx);
+                    prcj = opj_uint_floordivpow2(opj_uint_ceildiv(pi->y,
+                                                 (comp->dy << levelno)), res->pdy)
+                           - opj_uint_floordivpow2(try0, res->pdy);
+                    pi->precno = (OPJ_UINT32)(prci + prcj * res->pw);
                     if (pi->precno >= res->pw * res->ph) {
                       return OPJ_FALSE;
                     }
@@ -717,7 +750,7 @@
                         index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno *
                                 pi->step_c + pi->precno * pi->step_p;
                         if (index >= pi->include_size) {
-                            opj_pi_emit_error(pi, "Invalid access to pi->include");
+                            opj_event_msg(pi->manager, EVT_ERROR, "Invalid access to pi->include");
                             return OPJ_FALSE;
                         }
                         if (!pi->include[index]) {
@@ -738,10 +771,10 @@
 static void opj_get_encoding_parameters(const opj_image_t *p_image,
                                         const opj_cp_t *p_cp,
                                         OPJ_UINT32 p_tileno,
-                                        OPJ_INT32 * p_tx0,
-                                        OPJ_INT32  * p_tx1,
-                                        OPJ_INT32  * p_ty0,
-                                        OPJ_INT32  * p_ty1,
+                                        OPJ_UINT32 * p_tx0,
+                                        OPJ_UINT32  * p_tx1,
+                                        OPJ_UINT32  * p_ty0,
+                                        OPJ_UINT32  * p_ty1,
                                         OPJ_UINT32 * p_dx_min,
                                         OPJ_UINT32 * p_dy_min,
                                         OPJ_UINT32 * p_max_prec,
@@ -777,12 +810,12 @@
     /* find extent of tile */
     l_tx0 = p_cp->tx0 + p *
             p_cp->tdx; /* can't be greater than p_image->x1 so won't overflow */
-    *p_tx0 = (OPJ_INT32)opj_uint_max(l_tx0, p_image->x0);
-    *p_tx1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
+    *p_tx0 = opj_uint_max(l_tx0, p_image->x0);
+    *p_tx1 = opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
     l_ty0 = p_cp->ty0 + q *
             p_cp->tdy; /* can't be greater than p_image->y1 so won't overflow */
-    *p_ty0 = (OPJ_INT32)opj_uint_max(l_ty0, p_image->y0);
-    *p_ty1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
+    *p_ty0 = opj_uint_max(l_ty0, p_image->y0);
+    *p_ty1 = opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
 
     /* max precision is 0 (can only grow) */
     *p_max_prec = 0;
@@ -795,17 +828,17 @@
     for (compno = 0; compno < p_image->numcomps; ++compno) {
         /* arithmetic variables to calculate */
         OPJ_UINT32 l_level_no;
-        OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
-        OPJ_INT32 l_px0, l_py0, l_px1, py1;
+        OPJ_UINT32 l_rx0, l_ry0, l_rx1, l_ry1;
+        OPJ_UINT32 l_px0, l_py0, l_px1, py1;
         OPJ_UINT32 l_pdx, l_pdy;
         OPJ_UINT32 l_pw, l_ph;
         OPJ_UINT32 l_product;
-        OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
+        OPJ_UINT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
 
-        l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
-        l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
-        l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
-        l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
+        l_tcx0 = opj_uint_ceildiv(*p_tx0, l_img_comp->dx);
+        l_tcy0 = opj_uint_ceildiv(*p_ty0, l_img_comp->dy);
+        l_tcx1 = opj_uint_ceildiv(*p_tx1, l_img_comp->dx);
+        l_tcy1 = opj_uint_ceildiv(*p_ty1, l_img_comp->dy);
 
         if (l_tccp->numresolutions > *p_max_res) {
             *p_max_res = l_tccp->numresolutions;
@@ -829,19 +862,19 @@
             /* various calculations of extents */
             l_level_no = l_tccp->numresolutions - 1 - resno;
 
-            l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
-            l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
-            l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
-            l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
+            l_rx0 = opj_uint_ceildivpow2(l_tcx0, l_level_no);
+            l_ry0 = opj_uint_ceildivpow2(l_tcy0, l_level_no);
+            l_rx1 = opj_uint_ceildivpow2(l_tcx1, l_level_no);
+            l_ry1 = opj_uint_ceildivpow2(l_tcy1, l_level_no);
 
-            l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
-            l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
-            l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
+            l_px0 = opj_uint_floordivpow2(l_rx0, l_pdx) << l_pdx;
+            l_py0 = opj_uint_floordivpow2(l_ry0, l_pdy) << l_pdy;
+            l_px1 = opj_uint_ceildivpow2(l_rx1, l_pdx) << l_pdx;
 
-            py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
+            py1 = opj_uint_ceildivpow2(l_ry1, l_pdy) << l_pdy;
 
-            l_pw = (l_rx0 == l_rx1) ? 0 : (OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
-            l_ph = (l_ry0 == l_ry1) ? 0 : (OPJ_UINT32)((py1 - l_py0) >> l_pdy);
+            l_pw = (l_rx0 == l_rx1) ? 0 : ((l_px1 - l_px0) >> l_pdx);
+            l_ph = (l_ry0 == l_ry1) ? 0 : ((py1 - l_py0) >> l_pdy);
 
             l_product = l_pw * l_ph;
 
@@ -859,10 +892,10 @@
 static void opj_get_all_encoding_parameters(const opj_image_t *p_image,
         const opj_cp_t *p_cp,
         OPJ_UINT32 tileno,
-        OPJ_INT32 * p_tx0,
-        OPJ_INT32 * p_tx1,
-        OPJ_INT32 * p_ty0,
-        OPJ_INT32 * p_ty1,
+        OPJ_UINT32 * p_tx0,
+        OPJ_UINT32 * p_tx1,
+        OPJ_UINT32 * p_ty0,
+        OPJ_UINT32 * p_ty1,
         OPJ_UINT32 * p_dx_min,
         OPJ_UINT32 * p_dy_min,
         OPJ_UINT32 * p_max_prec,
@@ -903,12 +936,12 @@
     /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
     l_tx0 = p_cp->tx0 + p *
             p_cp->tdx; /* can't be greater than p_image->x1 so won't overflow */
-    *p_tx0 = (OPJ_INT32)opj_uint_max(l_tx0, p_image->x0);
-    *p_tx1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
+    *p_tx0 = opj_uint_max(l_tx0, p_image->x0);
+    *p_tx1 = opj_uint_min(opj_uint_adds(l_tx0, p_cp->tdx), p_image->x1);
     l_ty0 = p_cp->ty0 + q *
             p_cp->tdy; /* can't be greater than p_image->y1 so won't overflow */
-    *p_ty0 = (OPJ_INT32)opj_uint_max(l_ty0, p_image->y0);
-    *p_ty1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
+    *p_ty0 = opj_uint_max(l_ty0, p_image->y0);
+    *p_ty1 = opj_uint_min(opj_uint_adds(l_ty0, p_cp->tdy), p_image->y1);
 
     /* max precision and resolution is 0 (can only grow)*/
     *p_max_prec = 0;
@@ -921,18 +954,18 @@
     for (compno = 0; compno < p_image->numcomps; ++compno) {
         /* aritmetic variables to calculate*/
         OPJ_UINT32 l_level_no;
-        OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
-        OPJ_INT32 l_px0, l_py0, l_px1, py1;
+        OPJ_UINT32 l_rx0, l_ry0, l_rx1, l_ry1;
+        OPJ_UINT32 l_px0, l_py0, l_px1, py1;
         OPJ_UINT32 l_product;
-        OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
+        OPJ_UINT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
         OPJ_UINT32 l_pdx, l_pdy, l_pw, l_ph;
 
-        lResolutionPtr = p_resolutions[compno];
+        lResolutionPtr = p_resolutions ? p_resolutions[compno] : NULL;
 
-        l_tcx0 = opj_int_ceildiv(*p_tx0, (OPJ_INT32)l_img_comp->dx);
-        l_tcy0 = opj_int_ceildiv(*p_ty0, (OPJ_INT32)l_img_comp->dy);
-        l_tcx1 = opj_int_ceildiv(*p_tx1, (OPJ_INT32)l_img_comp->dx);
-        l_tcy1 = opj_int_ceildiv(*p_ty1, (OPJ_INT32)l_img_comp->dy);
+        l_tcx0 = opj_uint_ceildiv(*p_tx0, l_img_comp->dx);
+        l_tcy0 = opj_uint_ceildiv(*p_ty0, l_img_comp->dy);
+        l_tcx1 = opj_uint_ceildiv(*p_tx1, l_img_comp->dx);
+        l_tcy1 = opj_uint_ceildiv(*p_ty1, l_img_comp->dy);
 
         if (l_tccp->numresolutions > *p_max_res) {
             *p_max_res = l_tccp->numresolutions;
@@ -948,33 +981,37 @@
             /* precinct width and height*/
             l_pdx = l_tccp->prcw[resno];
             l_pdy = l_tccp->prch[resno];
-            *lResolutionPtr++ = l_pdx;
-            *lResolutionPtr++ = l_pdy;
+            if (lResolutionPtr) {
+                *lResolutionPtr++ = l_pdx;
+                *lResolutionPtr++ = l_pdy;
+            }
             if (l_pdx + l_level_no < 32 &&
                     l_img_comp->dx <= UINT_MAX / (1u << (l_pdx + l_level_no))) {
                 l_dx = l_img_comp->dx * (1u << (l_pdx + l_level_no));
                 /* take the minimum size for l_dx for each comp and resolution*/
-                *p_dx_min = (OPJ_UINT32)opj_int_min((OPJ_INT32) * p_dx_min, (OPJ_INT32)l_dx);
+                *p_dx_min = opj_uint_min(*p_dx_min, l_dx);
             }
             if (l_pdy + l_level_no < 32 &&
                     l_img_comp->dy <= UINT_MAX / (1u << (l_pdy + l_level_no))) {
                 l_dy = l_img_comp->dy * (1u << (l_pdy + l_level_no));
-                *p_dy_min = (OPJ_UINT32)opj_int_min((OPJ_INT32) * p_dy_min, (OPJ_INT32)l_dy);
+                *p_dy_min = opj_uint_min(*p_dy_min, l_dy);
             }
 
             /* various calculations of extents*/
-            l_rx0 = opj_int_ceildivpow2(l_tcx0, (OPJ_INT32)l_level_no);
-            l_ry0 = opj_int_ceildivpow2(l_tcy0, (OPJ_INT32)l_level_no);
-            l_rx1 = opj_int_ceildivpow2(l_tcx1, (OPJ_INT32)l_level_no);
-            l_ry1 = opj_int_ceildivpow2(l_tcy1, (OPJ_INT32)l_level_no);
-            l_px0 = opj_int_floordivpow2(l_rx0, (OPJ_INT32)l_pdx) << l_pdx;
-            l_py0 = opj_int_floordivpow2(l_ry0, (OPJ_INT32)l_pdy) << l_pdy;
-            l_px1 = opj_int_ceildivpow2(l_rx1, (OPJ_INT32)l_pdx) << l_pdx;
-            py1 = opj_int_ceildivpow2(l_ry1, (OPJ_INT32)l_pdy) << l_pdy;
-            l_pw = (l_rx0 == l_rx1) ? 0 : (OPJ_UINT32)((l_px1 - l_px0) >> l_pdx);
-            l_ph = (l_ry0 == l_ry1) ? 0 : (OPJ_UINT32)((py1 - l_py0) >> l_pdy);
-            *lResolutionPtr++ = l_pw;
-            *lResolutionPtr++ = l_ph;
+            l_rx0 = opj_uint_ceildivpow2(l_tcx0, l_level_no);
+            l_ry0 = opj_uint_ceildivpow2(l_tcy0, l_level_no);
+            l_rx1 = opj_uint_ceildivpow2(l_tcx1, l_level_no);
+            l_ry1 = opj_uint_ceildivpow2(l_tcy1, l_level_no);
+            l_px0 = opj_uint_floordivpow2(l_rx0, l_pdx) << l_pdx;
+            l_py0 = opj_uint_floordivpow2(l_ry0, l_pdy) << l_pdy;
+            l_px1 = opj_uint_ceildivpow2(l_rx1, l_pdx) << l_pdx;
+            py1 = opj_uint_ceildivpow2(l_ry1, l_pdy) << l_pdy;
+            l_pw = (l_rx0 == l_rx1) ? 0 : ((l_px1 - l_px0) >> l_pdx);
+            l_ph = (l_ry0 == l_ry1) ? 0 : ((py1 - l_py0) >> l_pdy);
+            if (lResolutionPtr) {
+                *lResolutionPtr++ = l_pw;
+                *lResolutionPtr++ = l_ph;
+            }
             l_product = l_pw * l_ph;
 
             /* update precision*/
@@ -990,7 +1027,8 @@
 
 static opj_pi_iterator_t * opj_pi_create(const opj_image_t *image,
         const opj_cp_t *cp,
-        OPJ_UINT32 tileno)
+        OPJ_UINT32 tileno,
+        opj_event_mgr_t* manager)
 {
     /* loop*/
     OPJ_UINT32 pino, compno;
@@ -1024,6 +1062,8 @@
     l_current_pi = l_pi;
     for (pino = 0; pino < l_poc_bound ; ++pino) {
 
+        l_current_pi->manager = manager;
+
         l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps,
                               sizeof(opj_pi_comp_t));
         if (! l_current_pi->comps) {
@@ -1054,10 +1094,10 @@
 
 static void opj_pi_update_encode_poc_and_final(opj_cp_t *p_cp,
         OPJ_UINT32 p_tileno,
-        OPJ_INT32 p_tx0,
-        OPJ_INT32 p_tx1,
-        OPJ_INT32 p_ty0,
-        OPJ_INT32 p_ty1,
+        OPJ_UINT32 p_tx0,
+        OPJ_UINT32 p_tx1,
+        OPJ_UINT32 p_ty0,
+        OPJ_UINT32 p_ty1,
         OPJ_UINT32 p_max_prec,
         OPJ_UINT32 p_max_res,
         OPJ_UINT32 p_dx_min,
@@ -1134,10 +1174,10 @@
 static void opj_pi_update_encode_not_poc(opj_cp_t *p_cp,
         OPJ_UINT32 p_num_comps,
         OPJ_UINT32 p_tileno,
-        OPJ_INT32 p_tx0,
-        OPJ_INT32 p_tx1,
-        OPJ_INT32 p_ty0,
-        OPJ_INT32 p_ty1,
+        OPJ_UINT32 p_tx0,
+        OPJ_UINT32 p_tx1,
+        OPJ_UINT32 p_ty0,
+        OPJ_UINT32 p_ty1,
         OPJ_UINT32 p_max_prec,
         OPJ_UINT32 p_max_res,
         OPJ_UINT32 p_dx_min,
@@ -1176,10 +1216,10 @@
         l_current_poc->prg  = l_tcp->prg;
         l_current_poc->prcS = 0;
         l_current_poc->prcE = p_max_prec;
-        l_current_poc->txS = (OPJ_UINT32)p_tx0;
-        l_current_poc->txE = (OPJ_UINT32)p_tx1;
-        l_current_poc->tyS = (OPJ_UINT32)p_ty0;
-        l_current_poc->tyE = (OPJ_UINT32)p_ty1;
+        l_current_poc->txS = p_tx0;
+        l_current_poc->txE = p_tx1;
+        l_current_poc->tyS = p_ty0;
+        l_current_poc->tyE = p_ty1;
         l_current_poc->dx = p_dx_min;
         l_current_poc->dy = p_dy_min;
         ++ l_current_poc;
@@ -1361,7 +1401,8 @@
 */
 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
                                         opj_cp_t *p_cp,
-                                        OPJ_UINT32 p_tile_no)
+                                        OPJ_UINT32 p_tile_no,
+                                        opj_event_mgr_t* manager)
 {
     OPJ_UINT32 numcomps = p_image->numcomps;
 
@@ -1376,7 +1417,7 @@
     /* encoding prameters to set */
     OPJ_UINT32 l_max_res;
     OPJ_UINT32 l_max_prec;
-    OPJ_INT32 l_tx0, l_tx1, l_ty0, l_ty1;
+    OPJ_UINT32 l_tx0, l_tx1, l_ty0, l_ty1;
     OPJ_UINT32 l_dx_min, l_dy_min;
     OPJ_UINT32 l_bound;
     OPJ_UINT32 l_step_p, l_step_c, l_step_r, l_step_l ;
@@ -1416,7 +1457,7 @@
     }
 
     /* memory allocation for pi */
-    l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
+    l_pi = opj_pi_create(p_image, p_cp, p_tile_no, manager);
     if (!l_pi) {
         opj_free(l_tmp_data);
         opj_free(l_tmp_ptr);
@@ -1557,11 +1598,34 @@
 }
 
 
+OPJ_UINT32 opj_get_encoding_packet_count(const opj_image_t *p_image,
+        const opj_cp_t *p_cp,
+        OPJ_UINT32 p_tile_no)
+{
+    OPJ_UINT32 l_max_res;
+    OPJ_UINT32 l_max_prec;
+    OPJ_UINT32 l_tx0, l_tx1, l_ty0, l_ty1;
+    OPJ_UINT32 l_dx_min, l_dy_min;
+
+    /* preconditions in debug*/
+    assert(p_cp != 00);
+    assert(p_image != 00);
+    assert(p_tile_no < p_cp->tw * p_cp->th);
+
+    /* get encoding parameters*/
+    opj_get_all_encoding_parameters(p_image, p_cp, p_tile_no, &l_tx0, &l_tx1,
+                                    &l_ty0, &l_ty1, &l_dx_min, &l_dy_min, &l_max_prec, &l_max_res, NULL);
+
+    return p_cp->tcps[p_tile_no].numlayers * l_max_prec * p_image->numcomps *
+           l_max_res;
+}
+
 
 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *p_image,
         opj_cp_t *p_cp,
         OPJ_UINT32 p_tile_no,
-        J2K_T2_MODE p_t2_mode)
+        J2K_T2_MODE p_t2_mode,
+        opj_event_mgr_t* manager)
 {
     OPJ_UINT32 numcomps = p_image->numcomps;
 
@@ -1576,7 +1640,7 @@
     /* encoding prameters to set*/
     OPJ_UINT32 l_max_res;
     OPJ_UINT32 l_max_prec;
-    OPJ_INT32 l_tx0, l_tx1, l_ty0, l_ty1;
+    OPJ_UINT32 l_tx0, l_tx1, l_ty0, l_ty1;
     OPJ_UINT32 l_dx_min, l_dy_min;
     OPJ_UINT32 l_bound;
     OPJ_UINT32 l_step_p, l_step_c, l_step_r, l_step_l ;
@@ -1615,7 +1679,7 @@
     }
 
     /* memory allocation for pi*/
-    l_pi = opj_pi_create(p_image, p_cp, p_tile_no);
+    l_pi = opj_pi_create(p_image, p_cp, p_tile_no, manager);
     if (!l_pi) {
         opj_free(l_tmp_data);
         opj_free(l_tmp_ptr);
@@ -1770,7 +1834,8 @@
     pi[pino].poc.prg = tcp->prg;
 
     if (!(cp->m_specific_param.m_enc.m_tp_on && ((!OPJ_IS_CINEMA(cp->rsiz) &&
-            (t2_mode == FINAL_PASS)) || OPJ_IS_CINEMA(cp->rsiz)))) {
+            !OPJ_IS_IMF(cp->rsiz) &&
+            (t2_mode == FINAL_PASS)) || OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)))) {
         pi[pino].poc.resno0 = tcp->resS;
         pi[pino].poc.resno1 = tcp->resE;
         pi[pino].poc.compno0 = tcp->compS;
@@ -1779,10 +1844,10 @@
         pi[pino].poc.layno1 = tcp->layE;
         pi[pino].poc.precno0 = tcp->prcS;
         pi[pino].poc.precno1 = tcp->prcE;
-        pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
-        pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
-        pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
-        pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
+        pi[pino].poc.tx0 = tcp->txS;
+        pi[pino].poc.ty0 = tcp->tyS;
+        pi[pino].poc.tx1 = tcp->txE;
+        pi[pino].poc.ty1 = tcp->tyE;
     } else {
         for (i = tppos + 1; i < 4; i++) {
             switch (prog[i]) {
@@ -1806,10 +1871,10 @@
                     pi[pino].poc.precno1 = tcp->prcE;
                     break;
                 default:
-                    pi[pino].poc.tx0 = (OPJ_INT32)tcp->txS;
-                    pi[pino].poc.ty0 = (OPJ_INT32)tcp->tyS;
-                    pi[pino].poc.tx1 = (OPJ_INT32)tcp->txE;
-                    pi[pino].poc.ty1 = (OPJ_INT32)tcp->tyE;
+                    pi[pino].poc.tx0 = tcp->txS;
+                    pi[pino].poc.ty0 = tcp->tyS;
+                    pi[pino].poc.tx1 = tcp->txE;
+                    pi[pino].poc.ty1 = tcp->tyE;
                     break;
                 }
                 break;
@@ -1849,10 +1914,10 @@
                     default:
                         tcp->tx0_t = tcp->txS;
                         tcp->ty0_t = tcp->tyS;
-                        pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
-                        pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
-                        pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
-                        pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
+                        pi[pino].poc.tx0 = tcp->tx0_t;
+                        pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
+                        pi[pino].poc.ty0 = tcp->ty0_t;
+                        pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
                         tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
                         tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
                         break;
@@ -1884,10 +1949,10 @@
                         pi[pino].poc.precno1 = tcp->prc_t;
                         break;
                     default:
-                        pi[pino].poc.tx0 = (OPJ_INT32)(tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx));
-                        pi[pino].poc.tx1 = (OPJ_INT32)tcp->tx0_t ;
-                        pi[pino].poc.ty0 = (OPJ_INT32)(tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy));
-                        pi[pino].poc.ty1 = (OPJ_INT32)tcp->ty0_t ;
+                        pi[pino].poc.tx0 = tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx);
+                        pi[pino].poc.tx1 = tcp->tx0_t ;
+                        pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
+                        pi[pino].poc.ty1 = tcp->ty0_t ;
                         break;
                     }
                     break;
@@ -1974,8 +2039,8 @@
                                 if (tcp->ty0_t >= tcp->tyE) {
                                     if (opj_pi_check_next_level(i - 1, cp, tileno, pino, prog)) {
                                         tcp->ty0_t = tcp->tyS;
-                                        pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
-                                        pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
+                                        pi[pino].poc.ty0 = tcp->ty0_t;
+                                        pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
                                         tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
                                         incr_top = 1;
                                         resetX = 1;
@@ -1984,21 +2049,21 @@
                                         resetX = 0;
                                     }
                                 } else {
-                                    pi[pino].poc.ty0 = (OPJ_INT32)tcp->ty0_t;
-                                    pi[pino].poc.ty1 = (OPJ_INT32)(tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy));
+                                    pi[pino].poc.ty0 = tcp->ty0_t;
+                                    pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
                                     tcp->ty0_t = (OPJ_UINT32)pi[pino].poc.ty1;
                                     incr_top = 0;
                                     resetX = 1;
                                 }
                                 if (resetX == 1) {
                                     tcp->tx0_t = tcp->txS;
-                                    pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
-                                    pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
+                                    pi[pino].poc.tx0 = tcp->tx0_t;
+                                    pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
                                     tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
                                 }
                             } else {
-                                pi[pino].poc.tx0 = (OPJ_INT32)tcp->tx0_t;
-                                pi[pino].poc.tx1 = (OPJ_INT32)(tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx));
+                                pi[pino].poc.tx0 = tcp->tx0_t;
+                                pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
                                 tcp->tx0_t = (OPJ_UINT32)pi[pino].poc.tx1;
                                 incr_top = 0;
                             }
@@ -2051,7 +2116,7 @@
     /* encoding parameters to set */
     OPJ_UINT32 l_max_res;
     OPJ_UINT32 l_max_prec;
-    OPJ_INT32 l_tx0, l_tx1, l_ty0, l_ty1;
+    OPJ_UINT32 l_tx0, l_tx1, l_ty0, l_ty1;
     OPJ_UINT32 l_dx_min, l_dy_min;
 
     /* pointers */
diff --git a/third_party/libopenjpeg20/pi.h b/third_party/libopenjpeg20/pi.h
index 8c0dc25..0320523 100644
--- a/third_party/libopenjpeg20/pi.h
+++ b/third_party/libopenjpeg20/pi.h
@@ -102,11 +102,13 @@
     /** Components*/
     opj_pi_comp_t *comps;
     /** FIXME DOC*/
-    OPJ_INT32 tx0, ty0, tx1, ty1;
+    OPJ_UINT32 tx0, ty0, tx1, ty1;
     /** FIXME DOC*/
-    OPJ_INT32 x, y;
+    OPJ_UINT32 x, y;
     /** FIXME DOC*/
     OPJ_UINT32 dx, dy;
+    /** event manager */
+    opj_event_mgr_t* manager;
 } opj_pi_iterator_t;
 
 /** @name Exported functions */
@@ -119,13 +121,15 @@
  * @param   cp      the coding parameters.
  * @param   tileno  index of the tile being encoded.
  * @param   t2_mode the type of pass for generating the packet iterator
+ * @param   manager Event manager
  *
  * @return  a list of packet iterator that points to the first packet of the tile (not true).
 */
 opj_pi_iterator_t *opj_pi_initialise_encode(const opj_image_t *image,
         opj_cp_t *cp,
         OPJ_UINT32 tileno,
-        J2K_T2_MODE t2_mode);
+        J2K_T2_MODE t2_mode,
+        opj_event_mgr_t* manager);
 
 /**
  * Updates the encoding parameters of the codec.
@@ -161,12 +165,14 @@
 @param image Raw image for which the packets will be listed
 @param cp Coding parameters
 @param tileno Number that identifies the tile for which to list the packets
+@param manager Event manager
 @return Returns a packet iterator that points to the first packet of the tile
 @see opj_pi_destroy
 */
 opj_pi_iterator_t *opj_pi_create_decode(opj_image_t * image,
                                         opj_cp_t * cp,
-                                        OPJ_UINT32 tileno);
+                                        OPJ_UINT32 tileno,
+                                        opj_event_mgr_t* manager);
 /**
  * Destroys a packet iterator array.
  *
@@ -182,6 +188,17 @@
 @return Returns false if pi pointed to the last packet or else returns true
 */
 OPJ_BOOL opj_pi_next(opj_pi_iterator_t * pi);
+
+/**
+ * Return the number of packets in the tile.
+ * @param   image       the image being encoded.
+ * @param cp Coding parameters
+ * @param tileno Number that identifies the tile.
+ */
+OPJ_UINT32 opj_get_encoding_packet_count(const opj_image_t *p_image,
+        const opj_cp_t *p_cp,
+        OPJ_UINT32 p_tile_no);
+
 /* ----------------------------------------------------------------------- */
 /*@}*/
 
diff --git a/third_party/libopenjpeg20/t1.c b/third_party/libopenjpeg20/t1.c
index f6f7671..1bea54b 100644
--- a/third_party/libopenjpeg20/t1.c
+++ b/third_party/libopenjpeg20/t1.c
@@ -61,6 +61,13 @@
 
 #define opj_t1_setcurctx(curctx, ctxno)  curctx = &(mqc)->ctxs[(OPJ_UINT32)(ctxno)]
 
+/* Macros to deal with signed integer with just MSB bit set for
+ * negative values (smr = signed magnitude representation) */
+#define opj_smr_abs(x)  (((OPJ_UINT32)(x)) & 0x7FFFFFFFU)
+#define opj_smr_sign(x) (((OPJ_UINT32)(x)) >> 31)
+#define opj_to_smr(x)   ((x) >= 0 ? (OPJ_UINT32)(x) : ((OPJ_UINT32)(-x) | 0x80000000U))
+
+
 /** @name Local static functions */
 /*@{*/
 
@@ -177,18 +184,18 @@
     const OPJ_FLOAT64 * mct_norms,
     OPJ_UINT32 mct_numcomps);
 
-static void opj_t1_encode_cblk(opj_t1_t *t1,
-                               opj_tcd_cblk_enc_t* cblk,
-                               OPJ_UINT32 orient,
-                               OPJ_UINT32 compno,
-                               OPJ_UINT32 level,
-                               OPJ_UINT32 qmfbid,
-                               OPJ_FLOAT64 stepsize,
-                               OPJ_UINT32 cblksty,
-                               OPJ_UINT32 numcomps,
-                               opj_tcd_tile_t * tile,
-                               const OPJ_FLOAT64 * mct_norms,
-                               OPJ_UINT32 mct_numcomps);
+/** Return "cumwmsedec" that should be used to increase tile->distotile */
+static double opj_t1_encode_cblk(opj_t1_t *t1,
+                                 opj_tcd_cblk_enc_t* cblk,
+                                 OPJ_UINT32 orient,
+                                 OPJ_UINT32 compno,
+                                 OPJ_UINT32 level,
+                                 OPJ_UINT32 qmfbid,
+                                 OPJ_FLOAT64 stepsize,
+                                 OPJ_UINT32 cblksty,
+                                 OPJ_UINT32 numcomps,
+                                 const OPJ_FLOAT64 * mct_norms,
+                                 OPJ_UINT32 mct_numcomps);
 
 /**
 Decode 1 code-block
@@ -329,61 +336,53 @@
 /**
 Encode significant pass
 */
-static INLINE void opj_t1_enc_sigpass_step(opj_t1_t *t1,
-        opj_flag_t *flagsp,
-        OPJ_INT32 *datap,
-        OPJ_INT32 bpno,
-        OPJ_INT32 one,
-        OPJ_INT32 *nmsedec,
-        OPJ_BYTE type,
-        OPJ_UINT32 ci,
-        OPJ_UINT32 vsc)
-{
-    OPJ_UINT32 v;
-
-    opj_mqc_t *mqc = &(t1->mqc);   /* MQC component */
-
-    OPJ_UINT32 const flags = *flagsp;
-
-    if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == 0U &&
-            (flags & (T1_SIGMA_NEIGHBOURS << (ci * 3U))) != 0U) {
-        OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U));
-        v = (opj_int_abs(*datap) & one) ? 1 : 0;
-#ifdef DEBUG_ENC_SIG
-        fprintf(stderr, "   ctxt1=%d\n", ctxt1);
-#endif
-        opj_mqc_setcurctx(mqc, ctxt1);
-        if (type == T1_TYPE_RAW) {  /* BYPASS/LAZY MODE */
-            opj_mqc_bypass_enc(mqc, v);
-        } else {
-            opj_mqc_encode(mqc, v);
-        }
-        if (v) {
-            OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index(
-                                *flagsp,
-                                flagsp[-1], flagsp[1],
-                                ci);
-            OPJ_UINT32 ctxt2 = opj_t1_getctxno_sc(lu);
-            v = *datap < 0 ? 1U : 0U;
-            *nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap),
-                                              (OPJ_UINT32)bpno);
-#ifdef DEBUG_ENC_SIG
-            fprintf(stderr, "   ctxt2=%d\n", ctxt2);
-#endif
-            opj_mqc_setcurctx(mqc, ctxt2);
-            if (type == T1_TYPE_RAW) {  /* BYPASS/LAZY MODE */
-                opj_mqc_bypass_enc(mqc, v);
-            } else {
-                OPJ_UINT32 spb = opj_t1_getspb(lu);
-#ifdef DEBUG_ENC_SIG
-                fprintf(stderr, "   spb=%d\n", spb);
-#endif
-                opj_mqc_encode(mqc, v ^ spb);
-            }
-            opj_t1_update_flags(flagsp, ci, v, t1->w + 2, vsc);
-        }
-        *flagsp |= T1_PI_THIS << (ci * 3U);
-    }
+#define opj_t1_enc_sigpass_step_macro(mqc, curctx, a, c, ct, flagspIn, datapIn, bpno, one, nmsedec, type, ciIn, vscIn) \
+{ \
+    OPJ_UINT32 v; \
+    const OPJ_UINT32 ci = (ciIn); \
+    const OPJ_UINT32 vsc = (vscIn); \
+    const OPJ_INT32* l_datap = (datapIn); \
+    opj_flag_t* flagsp = (flagspIn); \
+    OPJ_UINT32 const flags = *flagsp; \
+    if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == 0U && \
+            (flags & (T1_SIGMA_NEIGHBOURS << (ci * 3U))) != 0U) { \
+        OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U)); \
+        v = (opj_smr_abs(*l_datap) & (OPJ_UINT32)one) ? 1 : 0; \
+/* #ifdef DEBUG_ENC_SIG */ \
+/*        fprintf(stderr, "   ctxt1=%d\n", ctxt1); */ \
+/* #endif */ \
+        opj_t1_setcurctx(curctx, ctxt1); \
+        if (type == T1_TYPE_RAW) {  /* BYPASS/LAZY MODE */ \
+            opj_mqc_bypass_enc_macro(mqc, c, ct, v); \
+        } else { \
+            opj_mqc_encode_macro(mqc, curctx, a, c, ct, v); \
+        } \
+        if (v) { \
+            OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index( \
+                                *flagsp, \
+                                flagsp[-1], flagsp[1], \
+                                ci); \
+            OPJ_UINT32 ctxt2 = opj_t1_getctxno_sc(lu); \
+            v = opj_smr_sign(*l_datap); \
+            *nmsedec += opj_t1_getnmsedec_sig(opj_smr_abs(*l_datap), \
+                                              (OPJ_UINT32)bpno); \
+/* #ifdef DEBUG_ENC_SIG */ \
+/*            fprintf(stderr, "   ctxt2=%d\n", ctxt2); */ \
+/* #endif */ \
+            opj_t1_setcurctx(curctx, ctxt2); \
+            if (type == T1_TYPE_RAW) {  /* BYPASS/LAZY MODE */ \
+                opj_mqc_bypass_enc_macro(mqc, c, ct, v); \
+            } else { \
+                OPJ_UINT32 spb = opj_t1_getspb(lu); \
+/* #ifdef DEBUG_ENC_SIG */ \
+/*                fprintf(stderr, "   spb=%d\n", spb); */ \
+/* #endif */ \
+                opj_mqc_encode_macro(mqc, curctx, a, c, ct, v ^ spb); \
+            } \
+            opj_t1_update_flags(flagsp, ci, v, t1->w + 2, vsc); \
+        } \
+        *flagsp |= T1_PI_THIS << (ci * 3U); \
+    } \
 }
 
 static INLINE void opj_t1_dec_sigpass_step_raw(
@@ -464,63 +463,64 @@
     OPJ_INT32 const one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
     opj_flag_t* f = &T1_FLAGS(0, 0);
     OPJ_UINT32 const extra = 2;
+    opj_mqc_t* mqc = &(t1->mqc);
+    DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct);
+    const OPJ_INT32* datap = t1->data;
 
     *nmsedec = 0;
 #ifdef DEBUG_ENC_SIG
     fprintf(stderr, "enc_sigpass: bpno=%d\n", bpno);
 #endif
-    for (k = 0; k < (t1->h & ~3U); k += 4) {
+    for (k = 0; k < (t1->h & ~3U); k += 4, f += extra) {
+        const OPJ_UINT32 w = t1->w;
 #ifdef DEBUG_ENC_SIG
         fprintf(stderr, " k=%d\n", k);
 #endif
-        for (i = 0; i < t1->w; ++i) {
+        for (i = 0; i < w; ++i, ++f, datap += 4) {
 #ifdef DEBUG_ENC_SIG
             fprintf(stderr, " i=%d\n", i);
 #endif
             if (*f == 0U) {
                 /* Nothing to do for any of the 4 data points */
-                f++;
                 continue;
             }
-            opj_t1_enc_sigpass_step(
-                t1,
+            opj_t1_enc_sigpass_step_macro(
+                mqc, curctx, a, c, ct,
                 f,
-                &t1->data[((k + 0) * t1->data_stride) + i],
+                &datap[0],
                 bpno,
                 one,
                 nmsedec,
                 type,
                 0, cblksty & J2K_CCP_CBLKSTY_VSC);
-            opj_t1_enc_sigpass_step(
-                t1,
+            opj_t1_enc_sigpass_step_macro(
+                mqc, curctx, a, c, ct,
                 f,
-                &t1->data[((k + 1) * t1->data_stride) + i],
+                &datap[1],
                 bpno,
                 one,
                 nmsedec,
                 type,
                 1, 0);
-            opj_t1_enc_sigpass_step(
-                t1,
+            opj_t1_enc_sigpass_step_macro(
+                mqc, curctx, a, c, ct,
                 f,
-                &t1->data[((k + 2) * t1->data_stride) + i],
+                &datap[2],
                 bpno,
                 one,
                 nmsedec,
                 type,
                 2, 0);
-            opj_t1_enc_sigpass_step(
-                t1,
+            opj_t1_enc_sigpass_step_macro(
+                mqc, curctx, a, c, ct,
                 f,
-                &t1->data[((k + 3) * t1->data_stride) + i],
+                &datap[3],
                 bpno,
                 one,
                 nmsedec,
                 type,
                 3, 0);
-            ++f;
         }
-        f += extra;
     }
 
     if (k < t1->h) {
@@ -528,20 +528,20 @@
 #ifdef DEBUG_ENC_SIG
         fprintf(stderr, " k=%d\n", k);
 #endif
-        for (i = 0; i < t1->w; ++i) {
+        for (i = 0; i < t1->w; ++i, ++f) {
 #ifdef DEBUG_ENC_SIG
             fprintf(stderr, " i=%d\n", i);
 #endif
             if (*f == 0U) {
                 /* Nothing to do for any of the 4 data points */
-                f++;
+                datap += (t1->h - k);
                 continue;
             }
-            for (j = k; j < t1->h; ++j) {
-                opj_t1_enc_sigpass_step(
-                    t1,
+            for (j = k; j < t1->h; ++j, ++datap) {
+                opj_t1_enc_sigpass_step_macro(
+                    mqc, curctx, a, c, ct,
                     f,
-                    &t1->data[(j * t1->data_stride) + i],
+                    &datap[0],
                     bpno,
                     one,
                     nmsedec,
@@ -549,9 +549,10 @@
                     j - k,
                     (j == k && (cblksty & J2K_CCP_CBLKSTY_VSC) != 0));
             }
-            ++f;
         }
     }
+
+    UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct);
 }
 
 static void opj_t1_dec_sigpass_raw(
@@ -626,7 +627,7 @@
         register opj_flag_t *flagsp = &t1->flags[(flags_stride) + 1]; \
         const OPJ_UINT32 l_w = w; \
         opj_mqc_t* mqc = &(t1->mqc); \
-        DOWNLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
+        DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); \
         register OPJ_UINT32 v; \
         one = 1 << bpno; \
         half = one >> 1; \
@@ -651,7 +652,7 @@
                         } \
                 } \
         } \
-        UPLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
+        UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); \
         if( k < h ) { \
             for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
                 for (j = 0; j < h - k; ++j) { \
@@ -715,38 +716,27 @@
 /**
 Encode refinement pass step
 */
-static INLINE void opj_t1_enc_refpass_step(opj_t1_t *t1,
-        opj_flag_t *flagsp,
-        OPJ_INT32 *datap,
-        OPJ_INT32 bpno,
-        OPJ_INT32 one,
-        OPJ_INT32 *nmsedec,
-        OPJ_BYTE type,
-        OPJ_UINT32 ci)
-{
-    OPJ_UINT32 v;
-
-    opj_mqc_t *mqc = &(t1->mqc);   /* MQC component */
-
-    OPJ_UINT32 const shift_flags =
-        (*flagsp >> (ci * 3U));
-
-    if ((shift_flags & (T1_SIGMA_THIS | T1_PI_THIS)) == T1_SIGMA_THIS) {
-        OPJ_UINT32 ctxt = opj_t1_getctxno_mag(shift_flags);
-        *nmsedec += opj_t1_getnmsedec_ref((OPJ_UINT32)opj_int_abs(*datap),
-                                          (OPJ_UINT32)bpno);
-        v = (opj_int_abs(*datap) & one) ? 1 : 0;
-#ifdef DEBUG_ENC_REF
-        fprintf(stderr, "  ctxt=%d\n", ctxt);
-#endif
-        opj_mqc_setcurctx(mqc, ctxt);
-        if (type == T1_TYPE_RAW) {  /* BYPASS/LAZY MODE */
-            opj_mqc_bypass_enc(mqc, v);
-        } else {
-            opj_mqc_encode(mqc, v);
-        }
-        *flagsp |= T1_MU_THIS << (ci * 3U);
-    }
+#define opj_t1_enc_refpass_step_macro(mqc, curctx, a, c, ct, flags, flagsUpdated, datap, bpno, one, nmsedec, type, ci) \
+{\
+    OPJ_UINT32 v; \
+    if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << ((ci) * 3U))) == (T1_SIGMA_THIS << ((ci) * 3U))) { \
+        const OPJ_UINT32 shift_flags = (flags >> ((ci) * 3U)); \
+        OPJ_UINT32 ctxt = opj_t1_getctxno_mag(shift_flags); \
+        OPJ_UINT32 abs_data = opj_smr_abs(*datap); \
+        *nmsedec += opj_t1_getnmsedec_ref(abs_data, \
+                                          (OPJ_UINT32)bpno); \
+        v = ((OPJ_INT32)abs_data & one) ? 1 : 0; \
+/* #ifdef DEBUG_ENC_REF */ \
+/*        fprintf(stderr, "  ctxt=%d\n", ctxt); */ \
+/* #endif */ \
+        opj_t1_setcurctx(curctx, ctxt); \
+        if (type == T1_TYPE_RAW) {  /* BYPASS/LAZY MODE */ \
+            opj_mqc_bypass_enc_macro(mqc, c, ct, v); \
+        } else { \
+            opj_mqc_encode_macro(mqc, curctx, a, c, ct, v); \
+        } \
+        flagsUpdated |= T1_MU_THIS << ((ci) * 3U); \
+    } \
 }
 
 
@@ -807,100 +797,104 @@
     const OPJ_INT32 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
     opj_flag_t* f = &T1_FLAGS(0, 0);
     const OPJ_UINT32 extra = 2U;
+    opj_mqc_t* mqc = &(t1->mqc);
+    DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct);
+    const OPJ_INT32* datap = t1->data;
 
     *nmsedec = 0;
 #ifdef DEBUG_ENC_REF
     fprintf(stderr, "enc_refpass: bpno=%d\n", bpno);
 #endif
-    for (k = 0; k < (t1->h & ~3U); k += 4) {
+    for (k = 0; k < (t1->h & ~3U); k += 4, f += extra) {
 #ifdef DEBUG_ENC_REF
         fprintf(stderr, " k=%d\n", k);
 #endif
-        for (i = 0; i < t1->w; ++i) {
+        for (i = 0; i < t1->w; ++i, f++, datap += 4) {
+            const OPJ_UINT32 flags = *f;
+            OPJ_UINT32 flagsUpdated = flags;
 #ifdef DEBUG_ENC_REF
             fprintf(stderr, " i=%d\n", i);
 #endif
-            if ((*f & (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13)) == 0) {
+            if ((flags & (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13)) == 0) {
                 /* none significant */
-                f++;
                 continue;
             }
-            if ((*f & (T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3)) ==
+            if ((flags & (T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3)) ==
                     (T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3)) {
                 /* all processed by sigpass */
-                f++;
                 continue;
             }
 
-            opj_t1_enc_refpass_step(
-                t1,
-                f,
-                &t1->data[((k + 0) * t1->data_stride) + i],
+            opj_t1_enc_refpass_step_macro(
+                mqc, curctx, a, c, ct,
+                flags, flagsUpdated,
+                &datap[0],
                 bpno,
                 one,
                 nmsedec,
                 type,
                 0);
-            opj_t1_enc_refpass_step(
-                t1,
-                f,
-                &t1->data[((k + 1) * t1->data_stride) + i],
+            opj_t1_enc_refpass_step_macro(
+                mqc, curctx, a, c, ct,
+                flags, flagsUpdated,
+                &datap[1],
                 bpno,
                 one,
                 nmsedec,
                 type,
                 1);
-            opj_t1_enc_refpass_step(
-                t1,
-                f,
-                &t1->data[((k + 2) * t1->data_stride) + i],
+            opj_t1_enc_refpass_step_macro(
+                mqc, curctx, a, c, ct,
+                flags, flagsUpdated,
+                &datap[2],
                 bpno,
                 one,
                 nmsedec,
                 type,
                 2);
-            opj_t1_enc_refpass_step(
-                t1,
-                f,
-                &t1->data[((k + 3) * t1->data_stride) + i],
+            opj_t1_enc_refpass_step_macro(
+                mqc, curctx, a, c, ct,
+                flags, flagsUpdated,
+                &datap[3],
                 bpno,
                 one,
                 nmsedec,
                 type,
                 3);
-            ++f;
+            *f = flagsUpdated;
         }
-        f += extra;
     }
 
     if (k < t1->h) {
         OPJ_UINT32 j;
+        const OPJ_UINT32 remaining_lines = t1->h - k;
 #ifdef DEBUG_ENC_REF
         fprintf(stderr, " k=%d\n", k);
 #endif
-        for (i = 0; i < t1->w; ++i) {
+        for (i = 0; i < t1->w; ++i, ++f) {
 #ifdef DEBUG_ENC_REF
             fprintf(stderr, " i=%d\n", i);
 #endif
             if ((*f & (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13)) == 0) {
                 /* none significant */
-                f++;
+                datap += remaining_lines;
                 continue;
             }
-            for (j = k; j < t1->h; ++j) {
-                opj_t1_enc_refpass_step(
-                    t1,
-                    f,
-                    &t1->data[(j * t1->data_stride) + i],
+            for (j = 0; j < remaining_lines; ++j, datap ++) {
+                opj_t1_enc_refpass_step_macro(
+                    mqc, curctx, a, c, ct,
+                    *f, *f,
+                    &datap[0],
                     bpno,
                     one,
                     nmsedec,
                     type,
-                    j - k);
+                    j);
             }
-            ++f;
         }
     }
+
+    UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct);
 }
 
 
@@ -968,7 +962,7 @@
         register opj_flag_t *flagsp = &t1->flags[flags_stride + 1]; \
         const OPJ_UINT32 l_w = w; \
         opj_mqc_t* mqc = &(t1->mqc); \
-        DOWNLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
+        DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); \
         register OPJ_UINT32 v; \
         one = 1 << bpno; \
         poshalf = one >> 1; \
@@ -992,7 +986,7 @@
                         } \
                 } \
         } \
-        UPLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
+        UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); \
         if( k < h ) { \
             for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
                 for (j = 0; j < h - k; ++j) { \
@@ -1030,86 +1024,71 @@
 /**
 Encode clean-up pass step
 */
-static void opj_t1_enc_clnpass_step(
-    opj_t1_t *t1,
-    opj_flag_t *flagsp,
-    OPJ_INT32 *datap,
-    OPJ_INT32 bpno,
-    OPJ_INT32 one,
-    OPJ_INT32 *nmsedec,
-    OPJ_UINT32 agg,
-    OPJ_UINT32 runlen,
-    OPJ_UINT32 lim,
-    OPJ_UINT32 cblksty)
-{
-    OPJ_UINT32 v;
-    OPJ_UINT32 ci;
-    opj_mqc_t *mqc = &(t1->mqc);   /* MQC component */
-
-    const OPJ_UINT32 check = (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13 |
-                              T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
-
-    if ((*flagsp & check) == check) {
-        if (runlen == 0) {
-            *flagsp &= ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
-        } else if (runlen == 1) {
-            *flagsp &= ~(T1_PI_1 | T1_PI_2 | T1_PI_3);
-        } else if (runlen == 2) {
-            *flagsp &= ~(T1_PI_2 | T1_PI_3);
-        } else if (runlen == 3) {
-            *flagsp &= ~(T1_PI_3);
-        }
-        return;
-    }
-
-    for (ci = runlen; ci < lim; ++ci) {
-        OPJ_UINT32 vsc;
-        opj_flag_t flags;
-        OPJ_UINT32 ctxt1;
-
-        flags = *flagsp;
-
-        if ((agg != 0) && (ci == runlen)) {
-            goto LABEL_PARTIAL;
-        }
-
-        if (!(flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U)))) {
-            ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U));
-#ifdef DEBUG_ENC_CLN
-            printf("   ctxt1=%d\n", ctxt1);
-#endif
-            opj_mqc_setcurctx(mqc, ctxt1);
-            v = (opj_int_abs(*datap) & one) ? 1 : 0;
-            opj_mqc_encode(mqc, v);
-            if (v) {
-                OPJ_UINT32 ctxt2, spb;
-                OPJ_UINT32 lu;
-LABEL_PARTIAL:
-                lu = opj_t1_getctxtno_sc_or_spb_index(
-                         *flagsp,
-                         flagsp[-1], flagsp[1],
-                         ci);
-                *nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap),
-                                                  (OPJ_UINT32)bpno);
-                ctxt2 = opj_t1_getctxno_sc(lu);
-#ifdef DEBUG_ENC_CLN
-                printf("   ctxt2=%d\n", ctxt2);
-#endif
-                opj_mqc_setcurctx(mqc, ctxt2);
-
-                v = *datap < 0 ? 1U : 0U;
-                spb = opj_t1_getspb(lu);
-#ifdef DEBUG_ENC_CLN
-                printf("   spb=%d\n", spb);
-#endif
-                opj_mqc_encode(mqc, v ^ spb);
-                vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (ci == 0)) ? 1 : 0;
-                opj_t1_update_flags(flagsp, ci, v, t1->w + 2U, vsc);
-            }
-        }
-        *flagsp &= ~(T1_PI_THIS << (3U * ci));
-        datap += t1->data_stride;
-    }
+#define opj_t1_enc_clnpass_step_macro(mqc, curctx, a, c, ct, flagspIn, datapIn, bpno, one, nmsedec, agg, runlen, lim, cblksty) \
+{ \
+    OPJ_UINT32 v; \
+    OPJ_UINT32 ci; \
+    opj_flag_t* const flagsp = (flagspIn); \
+    const OPJ_INT32* l_datap = (datapIn); \
+    const OPJ_UINT32 check = (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13 | \
+                              T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3); \
+ \
+    if ((*flagsp & check) == check) { \
+        if (runlen == 0) { \
+            *flagsp &= ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3); \
+        } else if (runlen == 1) { \
+            *flagsp &= ~(T1_PI_1 | T1_PI_2 | T1_PI_3); \
+        } else if (runlen == 2) { \
+            *flagsp &= ~(T1_PI_2 | T1_PI_3); \
+        } else if (runlen == 3) { \
+            *flagsp &= ~(T1_PI_3); \
+        } \
+    } \
+    else \
+    for (ci = runlen; ci < lim; ++ci) { \
+        OPJ_BOOL goto_PARTIAL = OPJ_FALSE; \
+        if ((agg != 0) && (ci == runlen)) { \
+            goto_PARTIAL = OPJ_TRUE; \
+        } \
+        else if (!(*flagsp & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U)))) { \
+            OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, *flagsp >> (ci * 3U)); \
+/* #ifdef DEBUG_ENC_CLN */ \
+/*            printf("   ctxt1=%d\n", ctxt1); */ \
+/* #endif */ \
+            opj_t1_setcurctx(curctx, ctxt1); \
+            v = (opj_smr_abs(*l_datap) & (OPJ_UINT32)one) ? 1 : 0; \
+            opj_mqc_encode_macro(mqc, curctx, a, c, ct, v); \
+            if (v) { \
+                goto_PARTIAL = OPJ_TRUE; \
+            } \
+        } \
+        if( goto_PARTIAL ) { \
+            OPJ_UINT32 vsc; \
+            OPJ_UINT32 ctxt2, spb; \
+            OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index( \
+                        *flagsp, \
+                        flagsp[-1], flagsp[1], \
+                        ci); \
+            *nmsedec += opj_t1_getnmsedec_sig(opj_smr_abs(*l_datap), \
+                                                (OPJ_UINT32)bpno); \
+            ctxt2 = opj_t1_getctxno_sc(lu); \
+/* #ifdef DEBUG_ENC_CLN */ \
+/*           printf("   ctxt2=%d\n", ctxt2); */ \
+/* #endif */ \
+            opj_t1_setcurctx(curctx, ctxt2); \
+ \
+            v = opj_smr_sign(*l_datap); \
+            spb = opj_t1_getspb(lu); \
+/* #ifdef DEBUG_ENC_CLN */ \
+/*           printf("   spb=%d\n", spb); */\
+/* #endif */ \
+            opj_mqc_encode_macro(mqc, curctx, a, c, ct, v ^ spb); \
+            vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (ci == 0)) ? 1 : 0; \
+            opj_t1_update_flags(flagsp, ci, v, t1->w + 2U, vsc); \
+        } \
+        *flagsp &= ~(T1_PI_THIS << (3U * ci)); \
+        l_datap ++; \
+    } \
 }
 
 #define opj_t1_dec_clnpass_step_macro(check_flags, partial, \
@@ -1165,47 +1144,50 @@
 {
     OPJ_UINT32 i, k;
     const OPJ_INT32 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
-    OPJ_UINT32 agg, runlen;
-
-    opj_mqc_t *mqc = &(t1->mqc);   /* MQC component */
+    opj_mqc_t* mqc = &(t1->mqc);
+    DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct);
+    const OPJ_INT32* datap = t1->data;
+    opj_flag_t *f = &T1_FLAGS(0, 0);
+    const OPJ_UINT32 extra = 2U;
 
     *nmsedec = 0;
 #ifdef DEBUG_ENC_CLN
     printf("enc_clnpass: bpno=%d\n", bpno);
 #endif
-    for (k = 0; k < (t1->h & ~3U); k += 4) {
+    for (k = 0; k < (t1->h & ~3U); k += 4, f += extra) {
 #ifdef DEBUG_ENC_CLN
         printf(" k=%d\n", k);
 #endif
-        for (i = 0; i < t1->w; ++i) {
+        for (i = 0; i < t1->w; ++i, f++) {
+            OPJ_UINT32 agg, runlen;
 #ifdef DEBUG_ENC_CLN
             printf("  i=%d\n", i);
 #endif
-            agg = !(T1_FLAGS(i, k));
+            agg = !*f;
 #ifdef DEBUG_ENC_CLN
             printf("   agg=%d\n", agg);
 #endif
             if (agg) {
-                for (runlen = 0; runlen < 4; ++runlen) {
-                    if (opj_int_abs(t1->data[((k + runlen)*t1->data_stride) + i]) & one) {
+                for (runlen = 0; runlen < 4; ++runlen, ++datap) {
+                    if (opj_smr_abs(*datap) & (OPJ_UINT32)one) {
                         break;
                     }
                 }
-                opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
-                opj_mqc_encode(mqc, runlen != 4);
+                opj_t1_setcurctx(curctx, T1_CTXNO_AGG);
+                opj_mqc_encode_macro(mqc, curctx, a, c, ct, runlen != 4);
                 if (runlen == 4) {
                     continue;
                 }
-                opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
-                opj_mqc_encode(mqc, runlen >> 1);
-                opj_mqc_encode(mqc, runlen & 1);
+                opj_t1_setcurctx(curctx, T1_CTXNO_UNI);
+                opj_mqc_encode_macro(mqc, curctx, a, c, ct, runlen >> 1);
+                opj_mqc_encode_macro(mqc, curctx, a, c, ct, runlen & 1);
             } else {
                 runlen = 0;
             }
-            opj_t1_enc_clnpass_step(
-                t1,
-                &T1_FLAGS(i, k),
-                &t1->data[((k + runlen) * t1->data_stride) + i],
+            opj_t1_enc_clnpass_step_macro(
+                mqc, curctx, a, c, ct,
+                f,
+                datap,
                 bpno,
                 one,
                 nmsedec,
@@ -1213,23 +1195,24 @@
                 runlen,
                 4U,
                 cblksty);
+            datap += 4 - runlen;
         }
     }
     if (k < t1->h) {
-        agg = 0;
-        runlen = 0;
+        const OPJ_UINT32 agg = 0;
+        const OPJ_UINT32 runlen = 0;
 #ifdef DEBUG_ENC_CLN
         printf(" k=%d\n", k);
 #endif
-        for (i = 0; i < t1->w; ++i) {
+        for (i = 0; i < t1->w; ++i, f++) {
 #ifdef DEBUG_ENC_CLN
             printf("  i=%d\n", i);
             printf("   agg=%d\n", agg);
 #endif
-            opj_t1_enc_clnpass_step(
-                t1,
-                &T1_FLAGS(i, k),
-                &t1->data[((k + runlen) * t1->data_stride) + i],
+            opj_t1_enc_clnpass_step_macro(
+                mqc, curctx, a, c, ct,
+                f,
+                datap,
                 bpno,
                 one,
                 nmsedec,
@@ -1237,8 +1220,11 @@
                 runlen,
                 t1->h - k,
                 cblksty);
+            datap += t1->h - k;
         }
     }
+
+    UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct);
 }
 
 #define opj_t1_dec_clnpass_internal(t1, bpno, vsc, w, h, flags_stride) \
@@ -1250,7 +1236,7 @@
     opj_mqc_t* mqc = &(t1->mqc); \
     register OPJ_INT32 *data = t1->data; \
     register opj_flag_t *flagsp = &t1->flags[flags_stride + 1]; \
-    DOWNLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
+    DOWNLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); \
     register OPJ_UINT32 v; \
     one = 1 << bpno; \
     half = one >> 1; \
@@ -1319,7 +1305,7 @@
             *flagsp = flags & ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3); \
         } \
     } \
-    UPLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
+    UPLOAD_MQC_VARIABLES(mqc, curctx, a, c, ct); \
     if( k < h ) { \
         for (i = 0; i < l_w; ++i, ++flagsp, ++data) { \
             for (j = 0; j < h - k; ++j) { \
@@ -1426,7 +1412,11 @@
     if (qmfbid == 1) {
         w2 = opj_dwt_getnorm(level, orient);
     } else {    /* if (qmfbid == 0) */
+        const OPJ_INT32 log2_gain = (orient == 0) ? 0 :
+                                    (orient == 3) ? 2 : 1;
         w2 = opj_dwt_getnorm_real(level, orient);
+        /* Not sure this is right. But preserves past behaviour */
+        stepsize /= (1 << log2_gain);
     }
 
     wmsedec = w1 * w2 * stepsize * (1 << bpno);
@@ -1450,7 +1440,7 @@
     assert(w * h <= 4096);
 
     /* encoder uses tile buffer, so no need to allocate */
-    if (!t1->encoder) {
+    {
         OPJ_UINT32 datasize = w * h;
 
         if (datasize > t1->datasize) {
@@ -1560,8 +1550,7 @@
         return;
     }
 
-    /* encoder uses tile buffer, so no need to free */
-    if (!p_t1->encoder && p_t1->data) {
+    if (p_t1->data) {
         opj_aligned_free(p_t1->data);
         p_t1->data = 00;
     }
@@ -1658,7 +1647,21 @@
     t1 = (opj_t1_t*) opj_tls_get(tls, OPJ_TLS_KEY_T1);
     if (t1 == NULL) {
         t1 = opj_t1_create(OPJ_FALSE);
-        opj_tls_set(tls, OPJ_TLS_KEY_T1, t1, opj_t1_destroy_wrapper);
+        if (t1 == NULL) {
+            opj_event_msg(job->p_manager, EVT_ERROR,
+                          "Cannot allocate Tier 1 handle\n");
+            *(job->pret) = OPJ_FALSE;
+            opj_free(job);
+            return;
+        }
+        if (!opj_tls_set(tls, OPJ_TLS_KEY_T1, t1, opj_t1_destroy_wrapper)) {
+            opj_event_msg(job->p_manager, EVT_ERROR,
+                          "Unable to set t1 handle as TLS\n");
+            opj_t1_destroy(t1);
+            *(job->pret) = OPJ_FALSE;
+            opj_free(job);
+            return;
+        }
     }
     t1->mustuse_cblkdatabuffer = job->mustuse_cblkdatabuffer;
 
@@ -1725,10 +1728,11 @@
                 datap[i] /= 2;
             }
         } else {        /* if (tccp->qmfbid == 0) */
+            const float stepsize = 0.5f * band->stepsize;
             i = 0;
 #ifdef __SSE2__
             {
-                const __m128 xmm_stepsize = _mm_set1_ps(band->stepsize);
+                const __m128 xmm_stepsize = _mm_set1_ps(stepsize);
                 for (; i < (cblk_size & ~15U); i += 16) {
                     __m128 xmm0_data = _mm_cvtepi32_ps(_mm_load_si128((__m128i * const)(
                                                            datap + 0)));
@@ -1747,7 +1751,7 @@
             }
 #endif
             for (; i < cblk_size; ++i) {
-                OPJ_FLOAT32 tmp = ((OPJ_FLOAT32)(*datap)) * band->stepsize;
+                OPJ_FLOAT32 tmp = ((OPJ_FLOAT32)(*datap)) * stepsize;
                 memcpy(datap, &tmp, sizeof(tmp));
                 datap++;
             }
@@ -1773,12 +1777,13 @@
             }
         }
     } else {        /* if (tccp->qmfbid == 0) */
+        const float stepsize = 0.5f * band->stepsize;
         OPJ_FLOAT32* OPJ_RESTRICT tiledp = (OPJ_FLOAT32*) &tilec->data[(OPJ_SIZE_T)y *
                                                          tile_w + (OPJ_SIZE_T)x];
         for (j = 0; j < cblk_h; ++j) {
             OPJ_FLOAT32* OPJ_RESTRICT tiledp2 = tiledp;
             for (i = 0; i < cblk_w; ++i) {
-                OPJ_FLOAT32 tmp = (OPJ_FLOAT32) * datap * band->stepsize;
+                OPJ_FLOAT32 tmp = (OPJ_FLOAT32) * datap * stepsize;
                 *tiledp2 = tmp;
                 datap++;
                 tiledp2++;
@@ -2100,124 +2105,232 @@
 }
 
 
+typedef struct {
+    OPJ_UINT32 compno;
+    OPJ_UINT32 resno;
+    opj_tcd_cblk_enc_t* cblk;
+    opj_tcd_tile_t *tile;
+    opj_tcd_band_t* band;
+    opj_tcd_tilecomp_t* tilec;
+    opj_tccp_t* tccp;
+    const OPJ_FLOAT64 * mct_norms;
+    OPJ_UINT32 mct_numcomps;
+    volatile OPJ_BOOL* pret;
+    opj_mutex_t* mutex;
+} opj_t1_cblk_encode_processing_job_t;
+
+/** Procedure to deal with a asynchronous code-block encoding job.
+ *
+ * @param user_data Pointer to a opj_t1_cblk_encode_processing_job_t* structure
+ * @param tls       TLS handle.
+ */
+static void opj_t1_cblk_encode_processor(void* user_data, opj_tls_t* tls)
+{
+    opj_t1_cblk_encode_processing_job_t* job =
+        (opj_t1_cblk_encode_processing_job_t*)user_data;
+    opj_tcd_cblk_enc_t* cblk = job->cblk;
+    const opj_tcd_band_t* band = job->band;
+    const opj_tcd_tilecomp_t* tilec = job->tilec;
+    const opj_tccp_t* tccp = job->tccp;
+    const OPJ_UINT32 resno = job->resno;
+    opj_t1_t* t1;
+    const OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
+
+    OPJ_INT32* OPJ_RESTRICT tiledp;
+    OPJ_UINT32 cblk_w;
+    OPJ_UINT32 cblk_h;
+    OPJ_UINT32 i, j;
+
+    OPJ_INT32 x = cblk->x0 - band->x0;
+    OPJ_INT32 y = cblk->y0 - band->y0;
+
+    if (!*(job->pret)) {
+        opj_free(job);
+        return;
+    }
+
+    t1 = (opj_t1_t*) opj_tls_get(tls, OPJ_TLS_KEY_T1);
+    if (t1 == NULL) {
+        t1 = opj_t1_create(OPJ_TRUE); /* OPJ_TRUE == T1 for encoding */
+        opj_tls_set(tls, OPJ_TLS_KEY_T1, t1, opj_t1_destroy_wrapper);
+    }
+
+    if (band->bandno & 1) {
+        opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+        x += pres->x1 - pres->x0;
+    }
+    if (band->bandno & 2) {
+        opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+        y += pres->y1 - pres->y0;
+    }
+
+    if (!opj_t1_allocate_buffers(
+                t1,
+                (OPJ_UINT32)(cblk->x1 - cblk->x0),
+                (OPJ_UINT32)(cblk->y1 - cblk->y0))) {
+        *(job->pret) = OPJ_FALSE;
+        opj_free(job);
+        return;
+    }
+
+    cblk_w = t1->w;
+    cblk_h = t1->h;
+
+    tiledp = &tilec->data[(OPJ_SIZE_T)y * tile_w + (OPJ_SIZE_T)x];
+
+    if (tccp->qmfbid == 1) {
+        /* Do multiplication on unsigned type, even if the
+            * underlying type is signed, to avoid potential
+            * int overflow on large value (the output will be
+            * incorrect in such situation, but whatever...)
+            * This assumes complement-to-2 signed integer
+            * representation
+            * Fixes https://github.com/uclouvain/openjpeg/issues/1053
+            */
+        OPJ_UINT32* OPJ_RESTRICT tiledp_u = (OPJ_UINT32*) tiledp;
+        OPJ_UINT32* OPJ_RESTRICT t1data = (OPJ_UINT32*) t1->data;
+        /* Change from "natural" order to "zigzag" order of T1 passes */
+        for (j = 0; j < (cblk_h & ~3U); j += 4) {
+            for (i = 0; i < cblk_w; ++i) {
+                t1data[0] = tiledp_u[(j + 0) * tile_w + i] << T1_NMSEDEC_FRACBITS;
+                t1data[1] = tiledp_u[(j + 1) * tile_w + i] << T1_NMSEDEC_FRACBITS;
+                t1data[2] = tiledp_u[(j + 2) * tile_w + i] << T1_NMSEDEC_FRACBITS;
+                t1data[3] = tiledp_u[(j + 3) * tile_w + i] << T1_NMSEDEC_FRACBITS;
+                t1data += 4;
+            }
+        }
+        if (j < cblk_h) {
+            for (i = 0; i < cblk_w; ++i) {
+                OPJ_UINT32 k;
+                for (k = j; k < cblk_h; k++) {
+                    t1data[0] = tiledp_u[k * tile_w + i] << T1_NMSEDEC_FRACBITS;
+                    t1data ++;
+                }
+            }
+        }
+    } else {        /* if (tccp->qmfbid == 0) */
+        OPJ_FLOAT32* OPJ_RESTRICT tiledp_f = (OPJ_FLOAT32*) tiledp;
+        OPJ_INT32* OPJ_RESTRICT t1data = t1->data;
+        /* Change from "natural" order to "zigzag" order of T1 passes */
+        for (j = 0; j < (cblk_h & ~3U); j += 4) {
+            for (i = 0; i < cblk_w; ++i) {
+                t1data[0] = (OPJ_INT32)opj_lrintf((tiledp_f[(j + 0) * tile_w + i] /
+                                                   band->stepsize) * (1 << T1_NMSEDEC_FRACBITS));
+                t1data[1] = (OPJ_INT32)opj_lrintf((tiledp_f[(j + 1) * tile_w + i] /
+                                                   band->stepsize) * (1 << T1_NMSEDEC_FRACBITS));
+                t1data[2] = (OPJ_INT32)opj_lrintf((tiledp_f[(j + 2) * tile_w + i] /
+                                                   band->stepsize) * (1 << T1_NMSEDEC_FRACBITS));
+                t1data[3] = (OPJ_INT32)opj_lrintf((tiledp_f[(j + 3) * tile_w + i] /
+                                                   band->stepsize) * (1 << T1_NMSEDEC_FRACBITS));
+                t1data += 4;
+            }
+        }
+        if (j < cblk_h) {
+            for (i = 0; i < cblk_w; ++i) {
+                OPJ_UINT32 k;
+                for (k = j; k < cblk_h; k++) {
+                    t1data[0] = (OPJ_INT32)opj_lrintf((tiledp_f[k * tile_w + i] / band->stepsize)
+                                                      * (1 << T1_NMSEDEC_FRACBITS));
+                    t1data ++;
+                }
+            }
+        }
+    }
+
+    {
+        OPJ_FLOAT64 cumwmsedec =
+            opj_t1_encode_cblk(
+                t1,
+                cblk,
+                band->bandno,
+                job->compno,
+                tilec->numresolutions - 1 - resno,
+                tccp->qmfbid,
+                band->stepsize,
+                tccp->cblksty,
+                job->tile->numcomps,
+                job->mct_norms,
+                job->mct_numcomps);
+        if (job->mutex) {
+            opj_mutex_lock(job->mutex);
+        }
+        job->tile->distotile += cumwmsedec;
+        if (job->mutex) {
+            opj_mutex_unlock(job->mutex);
+        }
+    }
+
+    opj_free(job);
+}
 
 
-OPJ_BOOL opj_t1_encode_cblks(opj_t1_t *t1,
+OPJ_BOOL opj_t1_encode_cblks(opj_tcd_t* tcd,
                              opj_tcd_tile_t *tile,
                              opj_tcp_t *tcp,
                              const OPJ_FLOAT64 * mct_norms,
                              OPJ_UINT32 mct_numcomps
                             )
 {
+    volatile OPJ_BOOL ret = OPJ_TRUE;
+    opj_thread_pool_t* tp = tcd->thread_pool;
     OPJ_UINT32 compno, resno, bandno, precno, cblkno;
+    opj_mutex_t* mutex = opj_mutex_create();
 
     tile->distotile = 0;        /* fixed_quality */
 
     for (compno = 0; compno < tile->numcomps; ++compno) {
         opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
         opj_tccp_t* tccp = &tcp->tccps[compno];
-        OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
 
         for (resno = 0; resno < tilec->numresolutions; ++resno) {
             opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 
             for (bandno = 0; bandno < res->numbands; ++bandno) {
                 opj_tcd_band_t* OPJ_RESTRICT band = &res->bands[bandno];
-                OPJ_INT32 bandconst;
 
                 /* Skip empty bands */
                 if (opj_tcd_is_band_empty(band)) {
                     continue;
                 }
-
-                bandconst = 8192 * 8192 / ((OPJ_INT32) floor(band->stepsize * 8192));
                 for (precno = 0; precno < res->pw * res->ph; ++precno) {
                     opj_tcd_precinct_t *prc = &band->precincts[precno];
 
                     for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) {
                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
-                        OPJ_INT32* OPJ_RESTRICT tiledp;
-                        OPJ_UINT32 cblk_w;
-                        OPJ_UINT32 cblk_h;
-                        OPJ_UINT32 i, j, tileLineAdvance;
-                        OPJ_SIZE_T tileIndex = 0;
 
-                        OPJ_INT32 x = cblk->x0 - band->x0;
-                        OPJ_INT32 y = cblk->y0 - band->y0;
-                        if (band->bandno & 1) {
-                            opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
-                            x += pres->x1 - pres->x0;
+                        opj_t1_cblk_encode_processing_job_t* job =
+                            (opj_t1_cblk_encode_processing_job_t*) opj_calloc(1,
+                                    sizeof(opj_t1_cblk_encode_processing_job_t));
+                        if (!job) {
+                            ret = OPJ_FALSE;
+                            goto end;
                         }
-                        if (band->bandno & 2) {
-                            opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
-                            y += pres->y1 - pres->y0;
-                        }
-
-                        if (!opj_t1_allocate_buffers(
-                                    t1,
-                                    (OPJ_UINT32)(cblk->x1 - cblk->x0),
-                                    (OPJ_UINT32)(cblk->y1 - cblk->y0))) {
-                            return OPJ_FALSE;
-                        }
-
-                        cblk_w = t1->w;
-                        cblk_h = t1->h;
-                        tileLineAdvance = tile_w - cblk_w;
-
-                        tiledp = &tilec->data[(OPJ_SIZE_T)y * tile_w + (OPJ_SIZE_T)x];
-                        t1->data = tiledp;
-                        t1->data_stride = tile_w;
-                        if (tccp->qmfbid == 1) {
-                            /* Do multiplication on unsigned type, even if the
-                             * underlying type is signed, to avoid potential
-                             * int overflow on large value (the output will be
-                             * incorrect in such situation, but whatever...)
-                             * This assumes complement-to-2 signed integer
-                             * representation
-                             * Fixes https://github.com/uclouvain/openjpeg/issues/1053
-                             */
-                            OPJ_UINT32* OPJ_RESTRICT tiledp_u = (OPJ_UINT32*) tiledp;
-                            for (j = 0; j < cblk_h; ++j) {
-                                for (i = 0; i < cblk_w; ++i) {
-                                    tiledp_u[tileIndex] <<= T1_NMSEDEC_FRACBITS;
-                                    tileIndex++;
-                                }
-                                tileIndex += tileLineAdvance;
-                            }
-                        } else {        /* if (tccp->qmfbid == 0) */
-                            for (j = 0; j < cblk_h; ++j) {
-                                for (i = 0; i < cblk_w; ++i) {
-                                    OPJ_INT32 tmp = tiledp[tileIndex];
-                                    tiledp[tileIndex] =
-                                        opj_int_fix_mul_t1(
-                                            tmp,
-                                            bandconst);
-                                    tileIndex++;
-                                }
-                                tileIndex += tileLineAdvance;
-                            }
-                        }
-
-                        opj_t1_encode_cblk(
-                            t1,
-                            cblk,
-                            band->bandno,
-                            compno,
-                            tilec->numresolutions - 1 - resno,
-                            tccp->qmfbid,
-                            band->stepsize,
-                            tccp->cblksty,
-                            tile->numcomps,
-                            tile,
-                            mct_norms,
-                            mct_numcomps);
+                        job->compno = compno;
+                        job->tile = tile;
+                        job->resno = resno;
+                        job->cblk = cblk;
+                        job->band = band;
+                        job->tilec = tilec;
+                        job->tccp = tccp;
+                        job->mct_norms = mct_norms;
+                        job->mct_numcomps = mct_numcomps;
+                        job->pret = &ret;
+                        job->mutex = mutex;
+                        opj_thread_pool_submit_job(tp, opj_t1_cblk_encode_processor, job);
 
                     } /* cblkno */
                 } /* precno */
             } /* bandno */
         } /* resno  */
     } /* compno  */
-    return OPJ_TRUE;
+
+end:
+    opj_thread_pool_wait_completion(tcd->thread_pool, 0);
+    if (mutex) {
+        opj_mutex_destroy(mutex);
+    }
+
+    return ret;
 }
 
 /* Returns whether the pass (bpno, passtype) is terminated */
@@ -2252,18 +2365,17 @@
 
 
 /** mod fixed_quality */
-static void opj_t1_encode_cblk(opj_t1_t *t1,
-                               opj_tcd_cblk_enc_t* cblk,
-                               OPJ_UINT32 orient,
-                               OPJ_UINT32 compno,
-                               OPJ_UINT32 level,
-                               OPJ_UINT32 qmfbid,
-                               OPJ_FLOAT64 stepsize,
-                               OPJ_UINT32 cblksty,
-                               OPJ_UINT32 numcomps,
-                               opj_tcd_tile_t * tile,
-                               const OPJ_FLOAT64 * mct_norms,
-                               OPJ_UINT32 mct_numcomps)
+static OPJ_FLOAT64 opj_t1_encode_cblk(opj_t1_t *t1,
+                                      opj_tcd_cblk_enc_t* cblk,
+                                      OPJ_UINT32 orient,
+                                      OPJ_UINT32 compno,
+                                      OPJ_UINT32 level,
+                                      OPJ_UINT32 qmfbid,
+                                      OPJ_FLOAT64 stepsize,
+                                      OPJ_UINT32 cblksty,
+                                      OPJ_UINT32 numcomps,
+                                      const OPJ_FLOAT64 * mct_norms,
+                                      OPJ_UINT32 mct_numcomps)
 {
     OPJ_FLOAT64 cumwmsedec = 0.0;
 
@@ -2277,6 +2389,7 @@
     OPJ_UINT32 i, j;
     OPJ_BYTE type = T1_TYPE_MQ;
     OPJ_FLOAT64 tempwmsedec;
+    OPJ_INT32* datap;
 
 #ifdef EXTRA_DEBUG
     printf("encode_cblk(x=%d,y=%d,x1=%d,y1=%d,orient=%d,compno=%d,level=%d\n",
@@ -2286,10 +2399,19 @@
     mqc->lut_ctxno_zc_orient = lut_ctxno_zc + (orient << 9);
 
     max = 0;
-    for (i = 0; i < t1->w; ++i) {
-        for (j = 0; j < t1->h; ++j) {
-            OPJ_INT32 tmp = abs(t1->data[i + j * t1->data_stride]);
-            max = opj_int_max(max, tmp);
+    datap = t1->data;
+    for (j = 0; j < t1->h; ++j) {
+        const OPJ_UINT32 w = t1->w;
+        for (i = 0; i < w; ++i, ++datap) {
+            OPJ_INT32 tmp = *datap;
+            if (tmp < 0) {
+                OPJ_UINT32 tmp_unsigned;
+                max = opj_int_max(max, -tmp);
+                tmp_unsigned = opj_to_smr(tmp);
+                memcpy(datap, &tmp_unsigned, sizeof(OPJ_INT32));
+            } else {
+                max = opj_int_max(max, tmp);
+            }
         }
     }
 
@@ -2297,7 +2419,7 @@
                                       T1_NMSEDEC_FRACBITS) : 0;
     if (cblk->numbps == 0) {
         cblk->totalpasses = 0;
-        return;
+        return cumwmsedec;
     }
 
     bpno = (OPJ_INT32)(cblk->numbps - 1);
@@ -2343,7 +2465,6 @@
         tempwmsedec = opj_t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid,
                                         stepsize, numcomps, mct_norms, mct_numcomps) ;
         cumwmsedec += tempwmsedec;
-        tile->distotile += tempwmsedec;
         pass->distortiondec = cumwmsedec;
 
         if (opj_t1_enc_is_term_pass(cblk, cblksty, bpno, passtype)) {
@@ -2425,4 +2546,6 @@
         }
     }
 #endif
+
+    return cumwmsedec;
 }
diff --git a/third_party/libopenjpeg20/t1.h b/third_party/libopenjpeg20/t1.h
index 171dfb0..81ad0d0 100644
--- a/third_party/libopenjpeg20/t1.h
+++ b/third_party/libopenjpeg20/t1.h
@@ -198,7 +198,6 @@
     OPJ_UINT32 h;
     OPJ_UINT32 datasize;
     OPJ_UINT32 flagssize;
-    OPJ_UINT32 data_stride;
     OPJ_BOOL   encoder;
 
     /* Thre 3 variables below are only used by the decoder */
@@ -216,13 +215,13 @@
 
 /**
 Encode the code-blocks of a tile
-@param t1 T1 handle
+@param tcd TCD handle
 @param tile The tile to encode
 @param tcp Tile coding parameters
 @param mct_norms  FIXME DOC
 @param mct_numcomps Number of components used for MCT
 */
-OPJ_BOOL opj_t1_encode_cblks(opj_t1_t *t1,
+OPJ_BOOL opj_t1_encode_cblks(opj_tcd_t* tcd,
                              opj_tcd_tile_t *tile,
                              opj_tcp_t *tcp,
                              const OPJ_FLOAT64 * mct_norms,
diff --git a/third_party/libopenjpeg20/t2.c b/third_party/libopenjpeg20/t2.c
index 9825118..1481e16 100644
--- a/third_party/libopenjpeg20/t2.c
+++ b/third_party/libopenjpeg20/t2.c
@@ -224,6 +224,7 @@
                                OPJ_UINT32 * p_data_written,
                                OPJ_UINT32 p_max_len,
                                opj_codestream_info_t *cstr_info,
+                               opj_tcd_marker_info_t* p_marker_info,
                                OPJ_UINT32 p_tp_num,
                                OPJ_INT32 p_tp_pos,
                                OPJ_UINT32 p_pino,
@@ -244,7 +245,7 @@
                             l_image->numcomps : 1;
     OPJ_UINT32 l_nb_pocs = l_tcp->numpocs + 1;
 
-    l_pi = opj_pi_initialise_encode(l_image, l_cp, p_tile_no, p_t2_mode);
+    l_pi = opj_pi_initialise_encode(l_image, l_cp, p_tile_no, p_t2_mode, p_manager);
     if (!l_pi) {
         return OPJ_FALSE;
     }
@@ -310,6 +311,20 @@
             opj_pi_destroy(l_pi, l_nb_pocs);
             return OPJ_FALSE;
         }
+
+        if (p_marker_info && p_marker_info->need_PLT) {
+            /* One time use intended */
+            assert(p_marker_info->packet_count == 0);
+            assert(p_marker_info->p_packet_size == NULL);
+
+            p_marker_info->p_packet_size = (OPJ_UINT32*) opj_malloc(
+                                               opj_get_encoding_packet_count(l_image, l_cp, p_tile_no) * sizeof(OPJ_UINT32));
+            if (p_marker_info->p_packet_size == NULL) {
+                opj_pi_destroy(l_pi, l_nb_pocs);
+                return OPJ_FALSE;
+            }
+        }
+
         while (opj_pi_next(l_current_pi)) {
             if (l_current_pi->layno < p_maxlayers) {
                 l_nb_bytes = 0;
@@ -326,6 +341,11 @@
 
                 * p_data_written += l_nb_bytes;
 
+                if (p_marker_info && p_marker_info->need_PLT) {
+                    p_marker_info->p_packet_size[p_marker_info->packet_count] = l_nb_bytes;
+                    p_marker_info->packet_count ++;
+                }
+
                 /* INDEX >> */
                 if (cstr_info) {
                     if (cstr_info->index_write) {
@@ -405,7 +425,7 @@
 #endif
 
     /* create a packet iterator */
-    l_pi = opj_pi_create_decode(l_image, l_cp, p_tile_no);
+    l_pi = opj_pi_create_decode(l_image, l_cp, p_tile_no, p_manager);
     if (!l_pi) {
         return OPJ_FALSE;
     }
@@ -673,6 +693,14 @@
     OPJ_BOOL packet_empty = OPJ_FALSE;
 #endif
 
+#ifdef DEBUG_VERBOSE
+    if (p_t2_mode == FINAL_PASS) {
+        fprintf(stderr,
+                "encode packet compono=%d, resno=%d, precno=%d, layno=%d\n",
+                compno, resno, precno, layno);
+    }
+#endif
+
     /* <SOP 0xff91> */
     if (tcp->csty & J2K_CP_CSTY_SOP) {
         if (length < 6) {
@@ -711,6 +739,15 @@
                 continue;
             }
 
+            /* Avoid out of bounds access of https://github.com/uclouvain/openjpeg/issues/1294 */
+            /* but likely not a proper fix. */
+            if (precno >= res->pw * res->ph) {
+                opj_event_msg(p_manager, EVT_ERROR,
+                              "opj_t2_encode_packet(): accessing precno=%u >= %u\n",
+                              precno, res->pw * res->ph);
+                return OPJ_FALSE;
+            }
+
             prc = &band->precincts[precno];
             opj_tgt_reset(prc->incltree);
             opj_tgt_reset(prc->imsbtree);
@@ -778,6 +815,15 @@
             continue;
         }
 
+        /* Avoid out of bounds access of https://github.com/uclouvain/openjpeg/issues/1297 */
+        /* but likely not a proper fix. */
+        if (precno >= res->pw * res->ph) {
+            opj_event_msg(p_manager, EVT_ERROR,
+                          "opj_t2_encode_packet(): accessing precno=%u >= %u\n",
+                          precno, res->pw * res->ph);
+            return OPJ_FALSE;
+        }
+
         prc = &band->precincts[precno];
         l_nb_blocks = prc->cw * prc->ch;
         cblk = prc->cblks.enc;
diff --git a/third_party/libopenjpeg20/t2.h b/third_party/libopenjpeg20/t2.h
index 66500b1..becfa91 100644
--- a/third_party/libopenjpeg20/t2.h
+++ b/third_party/libopenjpeg20/t2.h
@@ -73,6 +73,7 @@
 @param p_data_written   FIXME DOC
 @param len              the length of the destination buffer
 @param cstr_info        Codestream information structure
+@param p_marker_info    Marker information structure
 @param tpnum            Tile part number of the current tile
 @param tppos            The position of the tile part flag in the progression order
 @param pino             FIXME DOC
@@ -87,6 +88,7 @@
                                OPJ_UINT32 * p_data_written,
                                OPJ_UINT32 len,
                                opj_codestream_info_t *cstr_info,
+                               opj_tcd_marker_info_t* p_marker_info,
                                OPJ_UINT32 tpnum,
                                OPJ_INT32 tppos,
                                OPJ_UINT32 pino,
diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c
index 9e98f04..b9f5714 100644
--- a/third_party/libopenjpeg20/tcd.c
+++ b/third_party/libopenjpeg20/tcd.c
@@ -112,7 +112,7 @@
  * Initializes tile coding/decoding
  */
 static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
-        OPJ_BOOL isEncoder, OPJ_FLOAT32 fraction, OPJ_SIZE_T sizeof_block,
+        OPJ_BOOL isEncoder, OPJ_SIZE_T sizeof_block,
         opj_event_mgr_t* manager);
 
 /**
@@ -182,6 +182,7 @@
                                   OPJ_UINT32 * p_data_written,
                                   OPJ_UINT32 p_max_dest_size,
                                   opj_codestream_info_t *p_cstr_info,
+                                  opj_tcd_marker_info_t* p_marker_info,
                                   opj_event_mgr_t *p_manager);
 
 static OPJ_BOOL opj_tcd_rate_allocate_encode(opj_tcd_t *p_tcd,
@@ -573,9 +574,10 @@
                 opj_tcd_makelayer(tcd, layno, thresh, 0);
 
                 if (cp->m_specific_param.m_enc.m_fixed_quality) {       /* fixed_quality */
-                    if (OPJ_IS_CINEMA(cp->rsiz)) {
+                    if (OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)) {
                         if (! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
-                                                    p_data_written, maxlen, cstr_info, tcd->cur_tp_num, tcd->tp_pos, tcd->cur_pino,
+                                                    p_data_written, maxlen, cstr_info, NULL, tcd->cur_tp_num, tcd->tp_pos,
+                                                    tcd->cur_pino,
                                                     THRESH_CALC, p_manager)) {
 
                             lo = thresh;
@@ -605,7 +607,8 @@
                     }
                 } else {
                     if (! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
-                                                p_data_written, maxlen, cstr_info, tcd->cur_tp_num, tcd->tp_pos, tcd->cur_pino,
+                                                p_data_written, maxlen, cstr_info, NULL, tcd->cur_tp_num, tcd->tp_pos,
+                                                tcd->cur_pino,
                                                 THRESH_CALC, p_manager)) {
                         /* TODO: what to do with l ??? seek / tell ??? */
                         /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
@@ -718,10 +721,9 @@
 /* ----------------------------------------------------------------------- */
 
 static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
-        OPJ_BOOL isEncoder, OPJ_FLOAT32 fraction, OPJ_SIZE_T sizeof_block,
+        OPJ_BOOL isEncoder, OPJ_SIZE_T sizeof_block,
         opj_event_mgr_t* manager)
 {
-    OPJ_UINT32(*l_gain_ptr)(OPJ_UINT32) = 00;
     OPJ_UINT32 compno, resno, bandno, precno, cblkno;
     opj_tcp_t * l_tcp = 00;
     opj_cp_t * l_cp = 00;
@@ -737,7 +739,6 @@
     OPJ_UINT32 p, q;
     OPJ_UINT32 l_level_no;
     OPJ_UINT32 l_pdx, l_pdy;
-    OPJ_UINT32 l_gain;
     OPJ_INT32 l_x0b, l_y0b;
     OPJ_UINT32 l_tx0, l_ty0;
     /* extent of precincts , top left, bottom right**/
@@ -881,11 +882,6 @@
         l_level_no = l_tilec->numresolutions;
         l_res = l_tilec->resolutions;
         l_step_size = l_tccp->stepsizes;
-        if (l_tccp->qmfbid == 0) {
-            l_gain_ptr = &opj_dwt_getgain_real;
-        } else {
-            l_gain_ptr  = &opj_dwt_getgain;
-        }
         /*fprintf(stderr, "\tlevel_no=%d\n",l_level_no);*/
 
         for (resno = 0; resno < l_tilec->numresolutions; ++resno) {
@@ -972,7 +968,6 @@
             l_band = l_res->bands;
 
             for (bandno = 0; bandno < l_res->numbands; ++bandno, ++l_band, ++l_step_size) {
-                OPJ_INT32 numbps;
                 /*fprintf(stderr, "\t\t\tband_no=%d/%d\n", bandno, l_res->numbands );*/
 
                 if (resno == 0) {
@@ -1008,11 +1003,24 @@
                     }
                 }
 
-                /** avoid an if with storing function pointer */
-                l_gain = (*l_gain_ptr)(l_band->bandno);
-                numbps = (OPJ_INT32)(l_image_comp->prec + l_gain);
-                l_band->stepsize = (OPJ_FLOAT32)(((1.0 + l_step_size->mant / 2048.0) * pow(2.0,
-                                                  (OPJ_INT32)(numbps - l_step_size->expn)))) * fraction;
+                {
+                    /* Table E-1 - Sub-band gains */
+                    /* BUG_WEIRD_TWO_INVK (look for this identifier in dwt.c): */
+                    /* the test (!isEncoder && l_tccp->qmfbid == 0) is strongly */
+                    /* linked to the use of two_invK instead of invK */
+                    const OPJ_INT32 log2_gain = (!isEncoder &&
+                                                 l_tccp->qmfbid == 0) ? 0 : (l_band->bandno == 0) ? 0 :
+                                                (l_band->bandno == 3) ? 2 : 1;
+
+                    /* Nominal dynamic range. Equation E-4 */
+                    const OPJ_INT32 Rb = (OPJ_INT32)l_image_comp->prec + log2_gain;
+
+                    /* Delta_b value of Equation E-3 in "E.1 Inverse quantization
+                    * procedure" of the standard */
+                    l_band->stepsize = (OPJ_FLOAT32)(((1.0 + l_step_size->mant / 2048.0) * pow(2.0,
+                                                      (OPJ_INT32)(Rb - l_step_size->expn))));
+                }
+
                 /* Mb value of Equation E-2 in "E.1 Inverse quantization
                  * procedure" of the standard */
                 l_band->numbps = l_step_size->expn + (OPJ_INT32)l_tccp->numgbits -
@@ -1198,14 +1206,14 @@
 OPJ_BOOL opj_tcd_init_encode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
                                   opj_event_mgr_t* p_manager)
 {
-    return opj_tcd_init_tile(p_tcd, p_tile_no, OPJ_TRUE, 1.0F,
+    return opj_tcd_init_tile(p_tcd, p_tile_no, OPJ_TRUE,
                              sizeof(opj_tcd_cblk_enc_t), p_manager);
 }
 
 OPJ_BOOL opj_tcd_init_decode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
                                   opj_event_mgr_t* p_manager)
 {
-    return opj_tcd_init_tile(p_tcd, p_tile_no, OPJ_FALSE, 0.5F,
+    return opj_tcd_init_tile(p_tcd, p_tile_no, OPJ_FALSE,
                              sizeof(opj_tcd_cblk_dec_t), p_manager);
 }
 
@@ -1243,10 +1251,16 @@
 
     /* +1 is needed for https://github.com/uclouvain/openjpeg/issues/835 */
     /* and actually +2 required for https://github.com/uclouvain/openjpeg/issues/982 */
+    /* and +7 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 3) */
+    /* and +26 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 7) */
+    /* and +28 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 44) */
+    /* and +33 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4) */
+    /* and +63 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4 -IMF 2K) */
+    /* and +74 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4 -n 8 -s 7,7 -I) */
     /* TODO: is there a theoretical upper-bound for the compressed code */
     /* block size ? */
-    l_data_size = 2 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
-                                   (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
+    l_data_size = 74 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
+                                    (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
 
     if (l_data_size > p_code_block->data_size) {
         if (p_code_block->data) {
@@ -1378,6 +1392,7 @@
                              OPJ_UINT32 * p_data_written,
                              OPJ_UINT32 p_max_length,
                              opj_codestream_info_t *p_cstr_info,
+                             opj_tcd_marker_info_t* p_marker_info,
                              opj_event_mgr_t *p_manager)
 {
 
@@ -1457,7 +1472,7 @@
     /* FIXME _ProfStart(PGROUP_T2); */
 
     if (! opj_tcd_t2_encode(p_tcd, p_dest, p_data_written, p_max_length,
-                            p_cstr_info, p_manager)) {
+                            p_cstr_info, p_marker_info, p_manager)) {
         return OPJ_FALSE;
     }
     /* FIXME _ProfStop(PGROUP_T2); */
@@ -2041,7 +2056,8 @@
     opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
     opj_tcp_t * l_tcp = p_tcd->tcp;
     opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
-    OPJ_UINT32 l_samples, i;
+    OPJ_SIZE_T l_samples;
+    OPJ_UINT32 i;
 
     if (l_tcp->mct == 0 || p_tcd->used_component != NULL) {
         return OPJ_TRUE;
@@ -2054,8 +2070,8 @@
         /* A bit inefficient: we process more data than needed if */
         /* resno_decoded < l_tile_comp->minimum_num_resolutions-1, */
         /* but we would need to take into account a stride then */
-        l_samples = (OPJ_UINT32)((res_comp0->x1 - res_comp0->x0) *
-                                 (res_comp0->y1 - res_comp0->y0));
+        l_samples = (OPJ_SIZE_T)(res_comp0->x1 - res_comp0->x0) *
+                    (OPJ_SIZE_T)(res_comp0->y1 - res_comp0->y0);
         if (l_tile->numcomps >= 3) {
             if (l_tile_comp->minimum_num_resolutions !=
                     l_tile->comps[1].minimum_num_resolutions ||
@@ -2089,8 +2105,8 @@
         opj_tcd_resolution_t* res_comp0 = l_tile->comps[0].resolutions +
                                           p_tcd->image->comps[0].resno_decoded;
 
-        l_samples = (res_comp0->win_x1 - res_comp0->win_x0) *
-                    (res_comp0->win_y1 - res_comp0->win_y0);
+        l_samples = (OPJ_SIZE_T)(res_comp0->win_x1 - res_comp0->win_x0) *
+                    (OPJ_SIZE_T)(res_comp0->win_y1 - res_comp0->win_y0);
         if (l_tile->numcomps >= 3) {
             opj_tcd_resolution_t* res_comp1 = l_tile->comps[1].resolutions +
                                               p_tcd->image->comps[1].resno_decoded;
@@ -2356,7 +2372,7 @@
     }
 }
 
-OPJ_SIZE_T opj_tcd_get_encoded_tile_size(opj_tcd_t *p_tcd)
+OPJ_SIZE_T opj_tcd_get_encoder_input_buffer_size(opj_tcd_t *p_tcd)
 {
     OPJ_UINT32 i;
     OPJ_SIZE_T l_data_size = 0;
@@ -2414,7 +2430,8 @@
             }
         } else {
             for (i = 0; i < l_nb_elem; ++i) {
-                *l_current_ptr = (*l_current_ptr - l_tccp->m_dc_level_shift) * (1 << 11);
+                *((OPJ_FLOAT32 *) l_current_ptr) = (OPJ_FLOAT32)(*l_current_ptr -
+                                                   l_tccp->m_dc_level_shift);
                 ++l_current_ptr;
             }
         }
@@ -2472,8 +2489,11 @@
 
         opj_free(l_data);
     } else if (l_tcp->tccps->qmfbid == 0) {
-        opj_mct_encode_real(l_tile->comps[0].data, l_tile->comps[1].data,
-                            l_tile->comps[2].data, samples);
+        opj_mct_encode_real(
+            (OPJ_FLOAT32*)l_tile->comps[0].data,
+            (OPJ_FLOAT32*)l_tile->comps[1].data,
+            (OPJ_FLOAT32*)l_tile->comps[2].data,
+            samples);
     } else {
         opj_mct_encode(l_tile->comps[0].data, l_tile->comps[1].data,
                        l_tile->comps[2].data, samples);
@@ -2491,11 +2511,11 @@
 
     for (compno = 0; compno < l_tile->numcomps; ++compno) {
         if (l_tccp->qmfbid == 1) {
-            if (! opj_dwt_encode(l_tile_comp)) {
+            if (! opj_dwt_encode(p_tcd, l_tile_comp)) {
                 return OPJ_FALSE;
             }
         } else if (l_tccp->qmfbid == 0) {
-            if (! opj_dwt_encode_real(l_tile_comp)) {
+            if (! opj_dwt_encode_real(p_tcd, l_tile_comp)) {
                 return OPJ_FALSE;
             }
         }
@@ -2509,16 +2529,10 @@
 
 static OPJ_BOOL opj_tcd_t1_encode(opj_tcd_t *p_tcd)
 {
-    opj_t1_t * l_t1;
     const OPJ_FLOAT64 * l_mct_norms;
     OPJ_UINT32 l_mct_numcomps = 0U;
     opj_tcp_t * l_tcp = p_tcd->tcp;
 
-    l_t1 = opj_t1_create(OPJ_TRUE);
-    if (l_t1 == 00) {
-        return OPJ_FALSE;
-    }
-
     if (l_tcp->mct == 1) {
         l_mct_numcomps = 3U;
         /* irreversible encoding */
@@ -2532,13 +2546,9 @@
         l_mct_norms = (const OPJ_FLOAT64 *)(l_tcp->mct_norms);
     }
 
-    if (! opj_t1_encode_cblks(l_t1, p_tcd->tcd_image->tiles, l_tcp, l_mct_norms,
-                              l_mct_numcomps)) {
-        opj_t1_destroy(l_t1);
-        return OPJ_FALSE;
-    }
-
-    opj_t1_destroy(l_t1);
+    return opj_t1_encode_cblks(p_tcd,
+                               p_tcd->tcd_image->tiles, l_tcp, l_mct_norms,
+                               l_mct_numcomps);
 
     return OPJ_TRUE;
 }
@@ -2548,6 +2558,7 @@
                                   OPJ_UINT32 * p_data_written,
                                   OPJ_UINT32 p_max_dest_size,
                                   opj_codestream_info_t *p_cstr_info,
+                                  opj_tcd_marker_info_t* p_marker_info,
                                   opj_event_mgr_t *p_manager)
 {
     opj_t2_t * l_t2;
@@ -2566,6 +2577,7 @@
                 p_data_written,
                 p_max_dest_size,
                 p_cstr_info,
+                p_marker_info,
                 p_tcd->tp_num,
                 p_tcd->tp_pos,
                 p_tcd->cur_pino,
@@ -2624,7 +2636,7 @@
     OPJ_UINT32 l_size_comp, l_remaining;
     OPJ_SIZE_T l_nb_elem;
 
-    l_data_size = opj_tcd_get_encoded_tile_size(p_tcd);
+    l_data_size = opj_tcd_get_encoder_input_buffer_size(p_tcd);
     if (l_data_size != p_src_length) {
         return OPJ_FALSE;
     }
@@ -2826,3 +2838,30 @@
               (((OPJ_UINT32)tilec->x1 - tcx1) >> shift) == 0 &&
               (((OPJ_UINT32)tilec->y1 - tcy1) >> shift) == 0)));
 }
+
+/* ----------------------------------------------------------------------- */
+
+opj_tcd_marker_info_t* opj_tcd_marker_info_create(OPJ_BOOL need_PLT)
+{
+    opj_tcd_marker_info_t *l_tcd_marker_info =
+        (opj_tcd_marker_info_t*) opj_calloc(1, sizeof(opj_tcd_marker_info_t));
+    if (!l_tcd_marker_info) {
+        return NULL;
+    }
+
+    l_tcd_marker_info->need_PLT = need_PLT;
+
+    return l_tcd_marker_info;
+}
+
+/* ----------------------------------------------------------------------- */
+
+void opj_tcd_marker_info_destroy(opj_tcd_marker_info_t *p_tcd_marker_info)
+{
+    if (p_tcd_marker_info) {
+        opj_free(p_tcd_marker_info->p_packet_size);
+        opj_free(p_tcd_marker_info);
+    }
+}
+
+/* ----------------------------------------------------------------------- */
diff --git a/third_party/libopenjpeg20/tcd.h b/third_party/libopenjpeg20/tcd.h
index e3214c1..f1b52b8 100644
--- a/third_party/libopenjpeg20/tcd.h
+++ b/third_party/libopenjpeg20/tcd.h
@@ -284,6 +284,22 @@
     OPJ_BOOL* used_component;
 } opj_tcd_t;
 
+/**
+ * Structure to hold information needed to generate some markers.
+ * Used by encoder.
+ */
+typedef struct opj_tcd_marker_info {
+    /** In: Whether information to generate PLT markers in needed */
+    OPJ_BOOL    need_PLT;
+
+    /** OUT: Number of elements in p_packet_size[] array */
+    OPJ_UINT32  packet_count;
+
+    /** OUT: Array of size packet_count, such that p_packet_size[i] is
+     *       the size in bytes of the ith packet */
+    OPJ_UINT32* p_packet_size;
+} opj_tcd_marker_info_t;
+
 /** @name Exported functions */
 /*@{*/
 /* ----------------------------------------------------------------------- */
@@ -306,6 +322,21 @@
 */
 void opj_tcd_destroy(opj_tcd_t *tcd);
 
+
+/**
+ * Create a new opj_tcd_marker_info_t* structure
+ * @param need_PLT Whether information is needed to generate PLT markers.
+ */
+opj_tcd_marker_info_t* opj_tcd_marker_info_create(OPJ_BOOL need_PLT);
+
+
+/**
+Destroy a previously created opj_tcd_marker_info_t* structure
+@param p_tcd_marker_info Structure to destroy
+*/
+void opj_tcd_marker_info_destroy(opj_tcd_marker_info_t *p_tcd_marker_info);
+
+
 /**
  * Initialize the tile coder and may reuse some memory.
  * @param   p_tcd       TCD handle.
@@ -364,6 +395,7 @@
  * @param   p_data_written  pointer to an int that is incremented by the number of bytes really written on p_dest
  * @param   p_len           Maximum length of the destination buffer
  * @param   p_cstr_info     Codestream information structure
+ * @param   p_marker_info   Marker information structure
  * @param   p_manager       the user event manager
  * @return  true if the coding is successful.
 */
@@ -373,6 +405,7 @@
                              OPJ_UINT32 * p_data_written,
                              OPJ_UINT32 p_len,
                              struct opj_codestream_info *p_cstr_info,
+                             opj_tcd_marker_info_t* p_marker_info,
                              opj_event_mgr_t *p_manager);
 
 
@@ -415,9 +448,11 @@
                                   OPJ_UINT32 p_dest_length);
 
 /**
- *
+ * Get the size in bytes of the input buffer provided before encoded.
+ * This must be the size provided to the p_src_length argument of
+ * opj_tcd_copy_tile_data()
  */
-OPJ_SIZE_T opj_tcd_get_encoded_tile_size(opj_tcd_t *p_tcd);
+OPJ_SIZE_T opj_tcd_get_encoder_input_buffer_size(opj_tcd_t *p_tcd);
 
 /**
  * Initialize the tile coder and may reuse some meory.
@@ -433,6 +468,8 @@
 
 /**
  * Copies tile data from the given memory block onto the system.
+ *
+ * p_src_length must be equal to opj_tcd_get_encoder_input_buffer_size()
  */
 OPJ_BOOL opj_tcd_copy_tile_data(opj_tcd_t *p_tcd,
                                 OPJ_BYTE * p_src,